AC: Freeze node-pivotal module
AC: Simplify development workflow, have grunt run karma. Update README.
AC: Update OS X developer install instructions
AC: Event handling cleanup, add data-submit-handler attribute
AC: Autocomplete.js cleanup, add submit-handler to workspace input field
AC: Improved UX of saving notes
AC: Improved UX for saving description
AC: Improved UX for saving title
AC: add libpeerconnection.log to gitignore
AC: Upgrade marked library (does not resolve CPU issue)
AC: Delay markdown formatting of notes, attachments, and description until story is actually opened. Fixes #42
AC: Improve search message notification
AC: Allow disabled filters to be deleted without first enabling them
AC: Load first 50 stories from icebox automatically
AC: Icebox button CSS update
AC: Add floating story preview
AC: Floating preview CSS polish
AC: Ensure only one floating story at a time
AC: Set column drag-and-drop target height
AC: Normalize API v3 project structure on the server-side