Removed bootstrap specify styling
Added basic styling to gallery
Added photo sorting to fit FILO
Added basic detection of an image click

Created the PhotoEventManager to act as the messenger between photo
events.
Fixed the tab selection state to work based on the current routing

Before the tab bar selected state was based on a user initiatied click.
This caused problems especially when the app loaded on a different tab.
Added basic search page placeholder
Added about page placeholder
Added padding to most of the views and cleaned up the Router
Merge branch 'develop' into feature-mongodb

brought in all the updates to the tabs and placeholders