Generate readme, remove development dependencies, update Rails version

lib/generators/open_project/plugin/templates/%full_name%.gemspec.tt

@@ -13,11 +13,7 @@ Gem::Specification.new do |s|
   s.description = FIXME
   s.license     = FIXME # e.g. "MIT" or "GPLv3"
 
-  s.files = Dir["{app,config,db,lib}/**/*"] + %w(CHANGELOG.md)
+  s.files = Dir["{app,config,db,lib}/**/*"] + %w(CHANGELOG.md README.md)
 
-  s.add_dependency "rails", "~> 3.2.9"
-
-  s.add_development_dependency 'rspec-rails'
-  s.add_development_dependency 'cucumber-rails'
-  s.add_development_dependency 'database_cleaner'
+  s.add_dependency "rails", "~> 3.2.14"
 end

lib/generators/open_project/plugin/templates/README.md.tt

@@ -0,0 +1,7 @@
+# OpenProject <%= plugin_name.gsub('_',' ').titlecase %> Plugin
+
+FIXME Add description and check issue tracker link below
+
+# Issue Tracker
+
+https://www.openproject.org/projects/<%= plugin_name.gsub('_','-') %>/issues