Fix reference to username in transaction builder
Fix#5: Announcement links
Make 'no rooms found' a link, call room_name once
Remove unrequired logic

eliminate uplicate link_to, length check instead of presence, _path call
Merge pull request #6 from dotdoom/fix#5_announcement_links

Fix#5 announcement links
Merge branch 'master' of github.com:dotdoom/jabber-cts
Fix announcements sorting
Back to payments.first instead of .last_payment
Merge pull request #7 from dotdoom/announcements_sort

Fix announcements sorting
Add obfuscate task to export prod db
Check if payment present
Merge pull request #8 from dotdoom/announcements_sort

Check if payment present
Add rspec, activities controller test
Add factory girl, user factories
Merge pull request #9 from dotdoom/activities_controller_tests

Activities controller tests
Add Travis-CI config
Add users controller tests, modify factories
Add users controller tests
Merge pull request #10 from dotdoom/users_controller_tests

Users controller tests
Fix #11: wrong month on statistic page