Merge pull request #14 from rsateler/gitlab-integration

Gitlab integration
Added Trello integration
Added Trello integration
Added Trello integration
Create trello.js
Create worksection.js
Added Worksection integration
Added Worksection integration
Merge pull request #16 from miki131/master

Added integration to trello.com and worksection.com
"BSD New" license
Add api v8 support
Disable Asana project select
Don't add button twice
Fix lint warnings in common.js
0.2.5
execute removed from content script
Add active and inactive images
Show pageaction to not logged in user
Add pageAction click handler
Fix github button size and logo position