Added CKE spellchecker to create proposal page
Changes in colab messaging restriction handling

Increased daily colab messaging limit; changes in validation error handling -> now only one message every 24h
Merge branch 'refs/heads/master' into april_tasks
Added dynamic text length checker to bio input
Added bio character counter to user registration view
Fixed bio length validation bug in register view
Fixed a nasty bug with the CKEditor change plugin
Fixed small view bug in chrome
Deactivated permission checker feature for now
Implemented password reset expired view
Merge branch 'master' of https://github.com/CCI-MIT/XCoLab
Merge branch 'refs/heads/master' into april_tasks
Added GA tracking to social media sharing (contest, proposals)
Removed log lines
fixed small mistype in html