remove deleted files while scanning
fix whitespace, check selected files before starting upload
change filelist ui updates
Clean up \OC\Util

 - Use camelCase

 - Add some phpdoc

 - Fix some indents

 - Use some more spacing
add triangle icon east
progress fixes
Remove disconnect function from OC_DB
also emit hooks for views that are a subfolder of the user folder
Fix some naming and spacing in lib/util.php
Merge branch 'master' into clean_up_util

Conflicts:
	lib/util.php
architecture too complex
fixing typos
reduced complexity, added listing conflicts to dialog
Fix some phpdoc and camelcase
Add basic avatars and gravatar
Modularize get(), async getAvatar, avatars @ usermgmt

And other small improvements
Add unittests & check filetype in setLocalAvatar()

TODO: Fix OC_Image->mimetype(), it always returns "image/png"
Load avatar from path, if one's provided
Improve styling & enable avatar-upload at personal page
Have /avatar.php as a central avatar-point