Merge pull request #132 from MIT-Mobile/3.6/dev-intrepid-svoigt

Implemented filtering on house venue screen, Implemented venue detail screen
Filter popover implemented on ipad
Fixed dining hall icon caching issue on ipad
Merge pull request #133 from MIT-Mobile/3.6/ross-dining-filter-popover

3.6/ross dining filter popover
Maps implemented on iphone
Merge pull request #134 from MIT-Mobile/3.6/ross-dining-map-impl

Maps implemented on iphone
Info form sheet for ipad dining halls
Merge pull request #135 from MIT-Mobile/3.6/ross-dining-info-formsheet

Info form sheet for ipad dining halls
Sticky headers implemented in meal collectionview
Merge pull request #136 from MIT-Mobile/3.6/ross-dining-mealview-fixes

Sticky headers implemented in meal collectionview
Renaming of dining hall comparison components
Migrated venue comparison view to new data model