Upload button only appears on My Uploads if images ready to be uploaded.

Also made taps on grayed out Details page upload button (or blank parts of nav bar) cause keyboard to focus on title or description boxes (depending on which one is blank) as a hint that text needs to be entered.

Change-Id: I6dfe8289af12cf00fd408c5e824b4698187d266c
Localisation updates from http://translatewiki.net.

Change-Id: Iedfaf2a946ac5e952e96ef3cd891fdbb45bac3eb
Merge "Upload button only appears on My Uploads if images ready to be uploaded."
Better autolayout of login and my uploads items.

Better login view controller organization too.

Change-Id: I9ffdf05040d948f7abd018447b18c06599bad1a8
Fix for crazy alert seen if user denied app gallery access.

Change-Id: I09e17311c3b8e888d2885fe283bb45156d704b9e