Merge branch 'upstream'

Conflicts:
	languages/en.ini
Update cs.ini

přeložená faseta médium
cistbrno - added mendelu logo
better responsiveness
searchbox on homepage fullwidth
better responsiveness
style fixes
Merge remote-tracking branch 'upstream/master' into style
Merge pull request #78 from PetraZabickova/patch-28

Update cs.ini
style fixes
Merge pull request #79 from sestakjakub/style

better responsiveness, style fixes
Merge branch 'master' into mzkcatalog-theme