LDAP: set filter mode to raw, so filters will not be changed and broken after upgrade from oc5, when visiting the LDAP settings and opening filter tabs

get the correct version number for compare -.-

bump version and don't overwrite values on next update if not necessary

simpler and better readable assignment

add share icons for folders shared by the current user

Add CSRF check on login and logout

add another index to the filecache to reduce the number of queries witho...

Also encode > and '

Fix PHPDoc

- Remove not anymore existing parameters
- Fix typo

Fix undefined JS on login/setup page

Database code cleanup

- kill replaceDB() - this function is unused and it's implementation obviously wrong
- add method annotation OC_DB_StatementWrapper::fetchAll
- remove duplicate code in Test_DBSchema and reuse OC_DB::tableExists
- remove unused variables

Cleanup code of files_sharing/ajax/ a little bit