Revised flashcards, modified install profile.

- Added taxonomy and auto_nodetitle to the drush makefile, as well as to the
  install profile.
- Changed some of the entries in the drush makefile to use more updated
  versions of some contrib modules.
- added the "subject" and "difficulty" taxonomies to flashcards.
- configured the flashcard content type to use an automatically generated
  title, with the title field hidden to the user.
Added alarm feature, twilio

-Added a basic alarm feature, which allows users to create an "alarm"
 content type. A fullcalendar view allows the user to see their own
 alarms.
- permissions were granted for users to create/edit/view etc. their
  own alarms
- Arvin's twilio module was added to the repo
- NOTE: in addition to what is mentioned here, Two libraries are need.
  the twilio REST API, and the fullcalendar jquery plugin. the twilio
  library can go in the profiles/my_titan/libraries directory, while the
 fullcalendar module must go into the sites/all/libraries directory.
Merge remote-tracking branch 'origin/dev/David'
Added date_repeat to install profile.