updated translation for 1.7.9

752 strings, 100% translated
fix support of Atom 0.3
Merge branch 'master' of git://github.com/falu/Tiny-Tiny-RSS into falu-master

Conflicts:
	locale/hu_HU/LC_MESSAGES/messages.po
rebase translations
Revert "rebase translations"

This reverts commit 4676b4fc5a15777c6f36904f4e9a547532a3e87f.
Revert "Merge branch 'master' of git://github.com/falu/Tiny-Tiny-RSS into falu-master"

This reverts commit 52af297e745f5b5c101c642c45e08d268aa324d8, reversing
changes made to a3b9fd12c55a0222060348c3042b17de6f269e0a.
merge updated hu_HU manually, rebase translations
hide read categories when feedtree category is first expanded
css tweaks for utility and exported articles, etc
api, add sanitize to getHeadlines (defaults to true)