Make sure we do not transmit cookies
Better handling of feeds reusing the same guid
Less ambiguous names for StringExtensions methods

Makes behavior of -(NSString *)host and -(NSString *)baseURL match better those of NSURL's homonymous functions.

(A problem was spotted with the homepage link that Vienna synthesizes when feeds do not provide it : <https://github.com/ViennaRSS/vienna-rss/blob/2c57150a0634cfd877dff263ac088ccc86db215d/src/RefreshManager.m#L782-L786>)
Google+ plugin

Contributed by cocoaforge.com user barkmaker
Unified layout : keep focus after clicking a link.
Try to improve Unified layout's handling of cells.
Merge pull request #206 from barijaona/other-improvements

Bugfixes and improvements not related to Open Reader