A githook is implemented to create an issue automatically in QGIS-Documention repo whenever there is a commit with the word [FEATURE] in the message.
( this is also a test if it works :-) )
The actual QGIS licence (viewable in any source file, e.g. src/core/qgis.cpp) shows that the software is licenced under GPL version 2 "or (at your option) any later version".
This PR updates README.md to reflect this for potential users who are concerned about the license restrictions if QGIS were GPLv2-only.
