use tmpdir var instead of hardcoded /tmp
Merge branch 'master' into oc_preview
Merge branch 'master' into oc_preview
Merge branch 'master' into oc_preview
implement previews for single shared files
don't crop Y axis
code optimization
check if imagick is loaded in office.php, not in libreoffice-cl.php
save current work state of office fallback
finish implementation of Excel preview fallback
work on powerpoint fallback
implement unknown preview backend
some whitespace fixes
stream first mb of movie to create preview
Merge branch 'master' into oc_preview
remove opendocument.php
use ppt icon instead of preview
implemenet getNoCoverThumbnail
comment out old code
update 3rdparty submodule