More robust task showing on taskboard
Minor fixes.
Fix strange effects on attachments drag and drop.
Remove useless property on attachments drag and drop settings.
Fix wrong taskboard table height calculation (fix #981)

This not implies resizes on windows is resized.
Prepare gulpfile for production deployment.
Updated the favicon
Added loading to main pages
Fix edit us points problem
Fix bug #1001 - Not list all attachments when a wiki page is created
Fix edit us points problem (iteration 2)
Uncomment gulp-jade-inheritance.
An other minor change on gulpfile in an other attempt to fix it.
Add go-to-taskboard and go-to-us buttons on details
Delete comments functionality
Restyling of Details page for related tasks and attachments
US #903: Task #1013: US can be estimated from the lightbox