Disabled internet checking as mentioned when in proxy mode
fix upload button layout
remove extra upload controls
modify js to move upload wrapper, modify css to match core values
Added SVG fallback to apps settings popup

This fix issue of calendar app with IE8, see issue report for details:
https://github.com/owncloud/calendar/issues/291
Useless else removed

As suggested by @PVince81 : https://github.com/owncloud/core/pull/6721#issuecomment-32289922
change em to px
updated description of the files encryption app
webdav: return SPACE_UNKNOWN if server do not support quota

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
don't enable files_external tests
Fix array access syntax for older PHP

There was a syntax error when running tests in PHP 5.3.10.
Merge pull request #6807 from owncloud/enc_updated_description

updated description of the files encryption app
Merge pull request #6810 from kofemann/for-upstream

webdav: return SPACE_UNKNOWN if server do not support quota
Fixed isPreviewAvailable warnings in log

isPreviewAvailable wasn't always set as the files formatting code is
slightly different than the one from the files app.

Fixes #6423
Merge pull request #6812 from owncloud/tests-fixcachesyntaxforoldphp

Fix array access syntax for older PHP
Load a separate config (if present) when running unit tests
add link to documentation
show link to app documentation
distinguish app links from doc links
added website field