Setting cache to memory to improve speed of autocompletion
Changed code on schedule detail to simplified subject name
Made subject's color its bckground on the side list
Merge branch 'master' of https://github.com/xyos/horarios

Conflicts:
	horarios/static/css/style.css
	horarios/static/js/app/schedule/model.js
Added support for getSubjectByCode
Added support for ICS files download. Use an API call to query for schedules and append /<ordered_id>/ics, e.g.:
api/v1.0/schedule/subjects=2016072%7C1,2016696%7C1%7C2,2016076%7C1&busy=/0/ics
Made subject name appear on white letters on side bar