Code cleanup, removed duplicate project activity route.

git-svn-id: http://svn.redmine.org/redmine@13588 e93f8b46-1217-0410-a6f0-8f06a7374b81
Use bundle exec.

git-svn-id: http://svn.redmine.org/redmine@13589 e93f8b46-1217-0410-a6f0-8f06a7374b81