updates paul source info to current semester
updates read me
dummy commit
try to fix a heroku/tire issue, https://devcenter.heroku.com/articles/rails-asset-pipeline#troubleshooting
try with  heroku labs:enable user-env-compile.
Reverts "try to fix a heroku/tire issue, https://devcenter.heroku.com/articles/rails-asset-pipeline#troubleshooting"

This reverts commit c4fa61e7b2e350c678bd96ba3da2937ec97bbeda.
implements adding new custom time entries
adds a missing translation
navigator load from cookies is now 404 safe
adds uid for ical entries, closes #53
adds a drop down menu for custom time table entries. closes #54
adds server side tracking for iCal Feed Downloads, closes #52
Merge pull request #9 from dirkschumacher/master

custom timetable entries, better iCal feeds and minor bugs