FIX: Last line on a story was being cut off.

ALSO: transition from current story to "NEXT STORY" was reworked.  Instead of scrolling to top and then reloading story it reloads story then scrolls to top.

Fixes #381
Merge pull request #383 from MIT-Mobile/3.6-news-last-line-fix

Last line on a story should not be cut off. Fixes #381.
Don't need to nil out self.recentSearchController since it is used throughout the Implementation.
Instead of bringing back recent search when clicking (x) when searching we continue with the loading process and show the stories just like the iPad does.

Fixes #384
Webview frame was being set too early when used on an ipad.
Centered HTML and removed width setting since we will not be using the full screen width on an iPad.
Merge pull request #386 from MIT-Mobile/3.6-news-search-cancel-fix

Update the search 'cancel' behavior of the iPhone to match the iPad.
Merge pull request #389 from MIT-Mobile/3.6/about-credits-frame

Fixes 'About' credits frame sizing and text centering on iPad. #387
Began implementing cleaned up Library webservices
Added search webservice call
Minor cleanup
Safety check for no results
Added Library item detail webservice call and models
Removed whitespace
Added temporary iphone 6 launch image to turn off screen scaling for testing
Created Libraries module style categories
Cleanup launch image addition
Created Libraries Item cells, skeleton Your Account VC and account-specific Item cells
Changed library items' year string to return first item in the array, per instruction
Libraries Home VC