Merge pull request #22 from DRosadoYew/master

Reuse views for commments and links. Fixes #8.
New comment vote parsing for non-logged in AskHN comments
Version and some nav cell updates
Changed comment parsing in new libHN
New libHN code implemented and Landscape mode beginning!
A little bit better autorotation support
Autolayout added for Submit page - works for Portrait...
Add 'Save to Pocket' feature.

When the user chooses to share an article there's now an option to 'Save to Pocket'.
It uses the article's original URL instead of the readability one.