Merge pull request #36 from alexpukinskis/master

Fixes #9 - Ability to add a card on the cardboard and single-column pages
#9: Fixing add buttons to attach new story to current iteration, if there is one.
Reducing number of calls to rerender after creating new artifact from 4 to 1
Refactoring for detail pages and fixing error dialog
Removing Chaplin as a dependency. After switching to React, it wasn't offering much value.
Fixing URL not changing when adding a new artifact
Renaming view from initializing to loading_indicator and allowing its text to be passed in
Merged back with Matt's alm-mobile