Changed date formatting in list views to show only the time of the
update for updates within the last 24 hours, and the short date (no
year) and time for updates older than that. EntryView changed to show
a long format date and time.
Improvements to date formatting.
Refactored date formatting into a new method in UiUtils.
Merge pull request #64 from mhuhtala/master

Date formatting
Fix issue with the date formatting on API < 18
Fix icon issue on widget
small code improvement
Added a menu option to hide read feeds in the Drawer/HomeActivity.
improve the link retrieval when there is several type of links
Merge pull request #65 from mhuhtala/master

Added a menu option to hide read feeds in the Drawer/HomeActivity.
use the same "SHOW_READ" preference for drawer and other fragments
Do not show empty groups in drawer when read feeds are hidden.
improve code readability and performance
small optimisation
reduce the update throttle time to improve reactivity when marking everything as read
small code improvement
fix bug with unread group display (+ code simplification)
small code improvement
favorite icon where not always displayed correctly