Use the new logo on navbar and login
Merge pull request #23 from taigaio/using-new-logo

Use the new logo on navbar and login
Fix logo style on error pages
Add Enter and ESC handling and focus on edit
Removed some ;
Add improvements on add sprint lightbox
Compact and expanded US
Kanban estimation from lightbox
US #903: Task #1013: US can be estimated from the lightbox
Uncommented status input