ahbeng/NUSMods — pull request #111 by yangshun (2014-08-02 07:14:01+00:00)
Title: Facet revamp

Revamp for module finder page sidebar:
- Able to reveal/collapse facets
- Persist the revealed/collapsed state of the facets
- Persist the checked/unchecked state of the filters

Fixes #109 and #46.