Add more czech strings. 42 remaining.
Fix header to contain relevant info. Wipe unused strings.
fix mark as read dropdown not resetting
Merge branch 'master' of github.com:gothfox/Tiny-Tiny-RSS
Merge pull request #122 from scarabeusiv/master

Czech translation update
Merge branch 'master' of github.com:gothfox/Tiny-Tiny-RSS
Merge remote-tracking branch 'upstream/master'
Sync'd permissions with master