update gitignore
Merge pull request #12 from ginalupu/create-event,-data-retriever-and-genre-models

Data storing
merge master
Merge pull request #13 from roxanajula/master

gitignore
Merge pull request #14 from ginalupu/create-event,-data-retriever-and-genre-models

format fees
Factory and Table View Changes

Moved the createEventCollection from DataRetriever to Factory;
MasterViewController changes to add the event's name and startsAt in
the table
Merge pull request #15 from roxanajula/master

Factory and Table View Changes
refactor factory