Gemfile: update Rails 3.2.19

git-svn-id: http://svn.redmine.org/redmine@13208 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove trailing white-space from app/models/workflow_permission.rb

git-svn-id: http://svn.redmine.org/redmine@13209 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13208 from trunk to 2.5-stable

Gemfile: update Rails 3.2.19

git-svn-id: http://svn.redmine.org/redmine@13210 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13208 from trunk to 2.4-stable

Gemfile: update Rails 3.2.19

git-svn-id: http://svn.redmine.org/redmine@13211 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge .travis.yml related revisions from trunk to 2.4-stable

git-svn-id: http://svn.redmine.org/redmine@13212 e93f8b46-1217-0410-a6f0-8f06a7374b81