Use 'command -v' to detect whether and where software is installed (instead of 'which')
don't allow to create a file or folder named 'Shared' in the root folder, also exclude all combinations of lower and upper case letters
Adds 0 Outlines to Buttons
add fclose, fixes issue from bdb96b9af85256f9b3f8663ccf6d27b3d1330918
fix some spaces to tabs issues reported by Scrutinizer
Merge pull request #7566 from owncloud/button-outlines

Adds 0 Outlines to Buttons
Merge pull request #7568 from owncloud/lib_preview_add_fclose

add fclose, fixes issue from bdb96b9af85256f9b3f8663ccf6d27b3d1330918
Merge pull request #7569 from owncloud/scrutinizer-tabs

fix some spaces to tabs issues reported by Scrutinizer
Merge pull request #7531 from owncloud/dont_create_shared_folder

don't allow to create a file or folder named 'Shared' in the root folder
Do not set #dir when on public.php

Fix #7571
Merge pull request #7354 from pschmitt/master

Use 'command -v' to detect whether and where software is installed (instead of 'which')
Merge pull request #7575 from owncloud/issue/7571

Do not set #dir when on public.php
fix merge conflicts