Move core setup code to controller class
Check for failure in creating htaccessWorking testfile
Merge branch 'master' into setup

Conflicts:
	lib/util.php
fixing typo on $htaccessWorking - testing own code before pushing is appreciated
Copyright and small fix
Merge remote-tracking branch 'origin/master' into setup
Converts em to px values for styles in Files.
Cleans up Core apps for relative(em) to absolute(px) styles.
All Core Styles from em->px, apart from styles.css
fix undefined $htaccessWorking
#6051 [ux][files] Move File Spinner

Added spinner to file icon when moving to new folder or out of folder.

Commit is related to #6051
Fixed indention.

As per @kabum request, indention on line 694 has been fixed.
change mail address by pressing enter - fixes #6179
Change misleading message when file size exceeds upload limit
Separate PHP upload limit and free space
Display different messages for uploadLimit and freeSpace
fix typo
Update #free_space on getstoragestats AJAX call
 #max_upload is needed after all
Contextual upload error message