Use one source for gem dependencies

Gemfile

@@ -1,23 +1,4 @@
-# Add gem dependencies here.
-gem "activesupport", "~> 5.0"
-gem "multi_json", "~> 1.12"
-gem "oj", "~> 3.3"
+source 'https://rubygems.org'
 
-# needed to send active support notifications to skylight
-gem "skylight", "~> 1.3"
-
-# needed because of the extension/has_one.rb
-gem "activerecord", "~> 5.0"
-
-# Add dependencies to develop and test the gem here
-group :development do
-  gem "rspec", "~> 3.5.0"
-  gem "rspec-benchmark", "~> 0.3.0"
-  gem "rdoc", "~> 3.12"
-  gem "bundler", "~> 1.0"
-  gem "juwelier", "~> 2.1.0"
-  gem "simplecov", ">= 0"
-  gem "byebug"
-  gem "active_model_serializers", "~> 0.10.4"
-  gem "sqlite3", "~> 1.3"
-end
+# Specify your gem's dependencies in fast_jsonapi.gemspec
+gemspec

Gemfile.lock

@@ -1,3 +1,12 @@
+PATH
+  remote: .
+  specs:
+    fast_jsonapi (1.0.16)
+      activerecord (~> 5.0)
+      activesupport (~> 5.0)
+      multi_json (~> 1.12)
+      oj (~> 3.3)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -134,13 +143,10 @@ PLATFORMS
 
 DEPENDENCIES
   active_model_serializers (~> 0.10.4)
-  activerecord (~> 5.0)
-  activesupport (~> 5.0)
   bundler (~> 1.0)
   byebug
+  fast_jsonapi!
   juwelier (~> 2.1.0)
-  multi_json (~> 1.12)
-  oj (~> 3.3)
   rdoc (~> 3.12)
   rspec (~> 3.5.0)
   rspec-benchmark (~> 0.3.0)