Add jQuery-UI to the project.
Move the Bootstrap-sass gem to the assets section in the gemfile.
Add some placeholder filter controls to the nav bar.
Merge branch 'master' into filters-devel

Conflicts:
	app/views/layouts/_nav_bar.html.erb
Merge branch 'master' into filters-devel
Merge branch 'master' into filters-devel

Conflicts:
	app/views/layouts/_nav_bar.html.erb
Implement a mockup of the filter controls dialog.
Merge branch 'master' into filters-devel

Conflicts:
	app/views/layouts/_nav_bar.html.erb
Merge branch 'master' into filters-devel
Force filter controls to appear on top of all overlapping page content.
Implement showing and hiding the bounty filters controls.
Minor text update on a filter control label.
Merge branch 'master' into filters-devel
Move compiled filters JavaScript to the right location.
Fix some errors in the animation code for the bounty filters controls.
Merge branch 'master' into filters-devel
Implement buttonsets for some bounty filter controls.
Merge branch 'master' into filters-devel
Merge branch 'master' into filters-devel
Remove redundant jQuery-UI includes.