create collections based on Julian's data model v0.3
solutions manage
solution links
WIP solutions ideation
Merge pull request #23 from eskim/data-model-0.3

create collections based on Julian's data model v0.3
remove unnecessary 'this'
Merge pull request #31 from eskim/data-model-0.3

remove unnecessary 'this'
Merge master branch

Conflicts:
	app/lib/collections.coffee
create modeling work item dialog
only handle github authenticated users
create modeling work item modal ui
use work_groups, work_items instead of categories, posts
filter by solution
modeling ui
add solution select control on GNB.
add solutions page
gnb active class
fix current solutions bugs
minor ui fix
Handlebars -> UI
Spacebars, not UI