Consistent nav button and text shadows between iOS 6 and 7.

Further centralization of nav and button styling code.

Change-Id: Id97cf9225e2604a2e8e2245ba76212c369053f26
Fix for the double-refresh issue on My Uploads page.

It was pretty simple - the refresh control was being added each time the My Uploads view appeared rather than once when the My Uploads view controller had finished loading.

Change-Id: I9b208136f81619ff1544f2df0e791b2e124aff07
Merge "Fix for the double-refresh issue on My Uploads page."
Attribution label uses UILabelDynamic height and no longer fades.

Change-Id: Ic3deabddba749ec8e809ddd65313dfc3e3b0c120
Merge "Attribution label uses UILabelDynamic height and no longer fades."