diff --git a/.travis.yml b/.travis.yml
index 88652bfefbc..1a24b9f4ca0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ notifications:
     urls:
       - https://webhooks.gitter.im/e/5d0244ab020a75bf7d17
     on_success: change  # options: [always|never|change] default: always
-    on_failure: always  # options: [always|never|change] default: always
+    on_failure: change # options: [always|never|change] default: always
     on_start: never # default: never
 
 addons:
diff --git a/INSTALL b/INSTALL
index 62805284a43..3367d0d5c33 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,10 +1,10 @@
 QGIS
 Building QGIS from source - step by step
-Thursday March 19, 2015
+Monday June 15, 2015
 
 
-Last Updated: Thursday March 19, 2015
-Last Change : Thursday March 19, 2015
+Last Updated: Monday June 15, 2015
+Last Change : Monday June 15, 2015
 
 
   1. Introduction
@@ -109,9 +109,9 @@ Required build dependencies:
 Optional dependencies:
 
 - for GRASS providers and plugin - GRASS >= 6.0.0. QGIS may be compiled with GRASS 6 or GRASS 7.
-      It can also be compiled with both GRASS versions in a single build but only if QGIS
-      is not installed with rpath. The desired GRASS version is choosen on runtime by setting
-      LD_LIBRARY_PATH or PATH.
+  It can also be compiled with both GRASS versions in a single build but only if QGIS
+  is not installed with rpath. The desired GRASS version is choosen on runtime by setting
+  LD_LIBRARY_PATH or PATH.
 - for georeferencer - GSL >= 1.8
 - for postgis support and SPIT plugin - PostgreSQL >= 8.0.x
 - for gps plugin - gpsbabel
@@ -566,7 +566,7 @@ the windows system preferences.
 If you plan to do some debugging, you'll need to compile debug version of Qt:
 C:\Qt\4.8.0\bin\qtvars.bat compile_debug
 
-Note: there is a problem when compiling debug version of Qt 4.8, the script ends with
+Note: there is a problem when compiling debug version of Qt 4.7, the script ends with
 this message  "mingw32-make: *** No rule to make target `debug'.  Stop.". To 
 compile the debug version you have to go out of src directory and execute the
 following command:
@@ -1036,7 +1036,7 @@ Snow Leopard+ note: If you are building on Snow Leopard+, you will need to
 decide between 32-bit support in the older Qt Carbon branch, or 64-bit
 support in the Qt Cocoa branch. Appropriate installers are available for both
 as of Qt-4.5.2, though they stopped making Carbon packages at Qt 4.7.4.
-
+Qt 4.6+ is recommended for Cocoa.
 Starting with Lion, Carbon may not work properly, if at all.
 Starting with Qt 4.8, only 64bit Cocoa installers are available.
 
diff --git a/doc/INSTALL.html b/doc/INSTALL.html
index 1845c4f3e8c..d1cdb472192 100644
--- a/doc/INSTALL.html
+++ b/doc/INSTALL.html
@@ -77,13 +77,13 @@ label{  background-color: #FFFFCC;
 <DIV CLASS="header" ID="header">
 <H1>QGIS</H1>
 <H2>Building QGIS from source - step by step</H2>
-<H3>Thursday March 19, 2015</H3>
+<H3>Monday June 15, 2015</H3>
 </DIV>
 
 <DIV CLASS="body" ID="body">
 <P>
-Last Updated: Thursday March 19, 2015
-Last Change : Thursday March 19, 2015
+Last Updated: Monday June 15, 2015
+Last Change : Monday June 15, 2015
 </P>
 <DIV CLASS="toc">
 
@@ -219,7 +219,10 @@ Optional dependencies:
 </P>
 
 <UL>
-<LI>for GRASS plugin - GRASS &gt;= 6.0.0 (libraries compiled with exceptions support on Linux 32bit)
+<LI>for GRASS providers and plugin - GRASS &gt;= 6.0.0. QGIS may be compiled with GRASS 6 or GRASS 7.
+  It can also be compiled with both GRASS versions in a single build but only if QGIS
+  is not installed with rpath. The desired GRASS version is choosen on runtime by setting
+  LD_LIBRARY_PATH or PATH.
 <LI>for georeferencer - GSL &gt;= 1.8
 <LI>for postgis support and SPIT plugin - PostgreSQL &gt;= 8.0.x
 <LI>for gps plugin - gpsbabel
@@ -853,7 +856,7 @@ If you plan to do some debugging, you'll need to compile debug version of Qt:
 C:\Qt\4.8.0\bin\qtvars.bat compile_debug
 </P>
 <P>
-Note: there is a problem when compiling debug version of Qt 4.8, the script ends with
+Note: there is a problem when compiling debug version of Qt 4.7, the script ends with
 this message  "mingw32-make: *** No rule to make target `debug'.  Stop.". To 
 compile the debug version you have to go out of src directory and execute the
 following command:
@@ -1443,7 +1446,7 @@ only.  This is available in the Libraries section of the Qt download page.
 decide between 32-bit support in the older Qt Carbon branch, or 64-bit
 support in the Qt Cocoa branch. Appropriate installers are available for both
 as of Qt-4.5.2, though they stopped making Carbon packages at Qt 4.7.4.
-
+Qt 4.6+ is recommended for Cocoa.
 Starting with Lion, Carbon may not work properly, if at all.
 Starting with Qt 4.8, only 64bit Cocoa installers are available.
 </P>
diff --git a/doc/msys.t2t b/doc/msys.t2t
index 1b991ea4e5f..eb1bd12ba23 100644
--- a/doc/msys.t2t
+++ b/doc/msys.t2t
@@ -39,18 +39,18 @@ it, just point the installer to c:\msys\mingw
 
 When Qt installation is complete:
 
-Edit C:\Qt\4.7.0\bin\qtvars.bat and add the following lines:
+Edit C:\Qt\4.8.0\bin\qtvars.bat and add the following lines:
 
 ``` 
 set PATH=%PATH%;C:\msys\local\bin;c:\msys\local\lib 
 set PATH=%PATH%;"C:\Program Files\Subversion\bin" 
 ```
 
-I suggest you also add C:\Qt\4.7.0\bin\ to your Environment Variables Path in
+I suggest you also add C:\Qt\4.8.0\bin\ to your Environment Variables Path in
 the windows system preferences.
 
 If you plan to do some debugging, you'll need to compile debug version of Qt:
-C:\Qt\4.7.0\bin\qtvars.bat compile_debug
+C:\Qt\4.8.0\bin\qtvars.bat compile_debug
 
 Note: there is a problem when compiling debug version of Qt 4.7, the script ends with
 this message  "mingw32-make: *** No rule to make target `debug'.  Stop.". To 
@@ -58,7 +58,7 @@ compile the debug version you have to go out of src directory and execute the
 following command:
 
 ``` 
-c:\Qt\4.7.0 make 
+c:\Qt\4.8.0 make 
 ```
 
 === Flex and Bison ===
@@ -90,7 +90,7 @@ to get versions that match your current Qt installed version.
 ==== Compile SIP ====
 
 ``` 
-c:\Qt\4.7.0\bin\qtvars.bat 
+c:\Qt\4.8.0\bin\qtvars.bat 
 python configure.py -p win32-g++ 
 make 
 make install 
@@ -99,7 +99,7 @@ make install
 ==== Compile PyQt ====
 
 ``` 
-c:\Qt\4.7.0\bin\qtvars.bat 
+c:\Qt\4.8.0\bin\qtvars.bat 
 python configure.py 
 make 
 make install 
@@ -148,10 +148,10 @@ Start a cmd.exe window ( Start -> Run -> cmd.exe ) if you don't have one
 already.  Add paths to compiler and our MSYS environment:
   
 ``` 
-c:\Qt\4.7.0\bin\qtvars.bat 
+c:\Qt\4.8.0\bin\qtvars.bat 
 ```
 
-For ease of use add c:\Qt\4.7.0\bin\ to your system path in system
+For ease of use add c:\Qt\4.8.0\bin\ to your system path in system
 properties so you can just type qtvars.bat when you open the cmd console.
 Create build directory and set it as current directory:
 
diff --git a/doc/overview.t2t b/doc/overview.t2t
index 07fde7a3405..96d6eac3651 100644
--- a/doc/overview.t2t
+++ b/doc/overview.t2t
@@ -27,7 +27,10 @@ Required build dependencies:
 
 Optional dependencies:
 
-- for GRASS plugin - GRASS >= 6.0.0 (libraries compiled with exceptions support on Linux 32bit)
+- for GRASS providers and plugin - GRASS >= 6.0.0. QGIS may be compiled with GRASS 6 or GRASS 7.
+  It can also be compiled with both GRASS versions in a single build but only if QGIS
+  is not installed with rpath. The desired GRASS version is choosen on runtime by setting
+  LD_LIBRARY_PATH or PATH.
 - for georeferencer - GSL >= 1.8
 - for postgis support and SPIT plugin - PostgreSQL >= 8.0.x
 - for gps plugin - gpsbabel