get the right file name for drag&drop. This was necessary after the switch to css to show/hide file actions, otherwise the actions where part of the extracted file name.

LDAP: fix typo in config value handling.

LDAP: improved object existence check

Return empty array if file does not exist inside Shared folder, fixes issue #91

fix human filesize column header

make images in buttons also show click-hand on hover

Improve performance of files update (on larger setups)

Fix mkdir and opendir warnings when path does not exist

Fixing failing template unit test

prepare SQL query only once, that's what prepared statements are for. Should improve upgrade time with larger setups

support string values ('true' and 'false') for configuring the secure parameter on external storage backends

fixes #78

This way, readAttribute can act as an existence checker.

some more reuse for fileactions

Fix user webdavauth

Checkstyle fixes 

also fixes an issue where some fileactions always worked on the last file in the list

LDAP: clear the cache not only when TTL changes, but with every settings...

I think Checkstyle did not find this occurence, however consistant line endings are preferred.
@DeepDiver can Checkstyle find this?