Toolbar Update, Issue #47

[loganSims]

Changes

Action Bar

• Updated to use the new ToolBar, a more general version of the Action Bar.
• Added custom theme for app. This allows us to change the colors of the new toolbar.

  New TabsLayout

• Added a new TabsAdapter class to be used by all activities with tabs.
• Updated Google Analytics tracking for TabLayout.

  Social Media

• Added a custom spinner in the toolbar for the Twitter activity to fix formatting issues caused by the move to the new toolbar.
• Updated the flickr portion of the app to now directly link to flickr website.
• Deleted unused social media details activities.

[loganSims]

Deleting this branch. Will do a new pull request when material design is fully implemented.