use DI through the XApp process
Merge pull request #71 from orta/place_bids_info

@1aurabrown => use DI through the XApp process and don't open Main Storyboard on tests
update to support Xcode 6.1 GM, add image thumbnail support, start work on confirm bid view
Merge pull request #74 from orta/beta

@ashfurrow => update to support Xcode 6.1 GM
Merge remote-tracking branch 'artsy/master' into mainscreen-contents
Almost done with cells.
Annotated TODOs.