Changing from deleting old events to just not downloading them
No longer crashes on exiting of lunchdetailfrag
Merge pull request #41 from knnyluk/fix_countdown_crash

No longer crashes on exiting of lunchdetailfrag
Committing
Merge pull request #42 from KateCatlin/making_new_main_fragment

Filtering out events that are passed
Adjusting to make the LunchDetailFragment the executor of voting calculation. Seems to grab vote rankings well. Good enough for submitting votes with ranks.
Addressing merge conflicts.