[MIE-1530] - Updating gemfile
[MIE-1530] - Making expandable activity items. New hover state functionallity.
[MIE-1530] - Make item expandable for longest users names.
[MIE-1530] - Set height auto on activityitems for mobile.
[MIE-1530] - Fix bad alignment for iPads and related mobiles.
Can't add any more repeated activities to the collection
[MIE-1530] - PR applying code convention coffee style.
[MIE-1530] - PR. Flattening css structure.
Merge pull request #31 from natgeo/feature/MIE-1530

Activity items have different height sizes.
Merge branch 'develop' of github.com:natgeo/modules-activitystream into feature/MIE-1524

Conflicts:
	app/scripts/views/stream.coffee
deleted console.log
Added condition to prevent deferred to be created several times when calling several times 'ready' method
Removed parentesis in $.when for better code styling
Merge pull request #32 from natgeo/feature/MIE-1524

MIE-1524 resolved the first time an activity is generated it is shows duplicated
bump version