Merge pull request #10 from claudius108/master

Some maintenance work
Added functions to recursively copy ACLs

References #520
Merge pull request #11 from ChiSamurai/master

Added functions to recursively copy ACLs
Made admin:biblio.users as owner of $config:users-collection, in
post-install.xq.

References #550.
Renamed $config:commons-resources-permissions to
$config:commons-collections-permissions.

References #552.
Changed mode of resources in 'Sociology' and 'exist-db' collections to
$config:resource-mode.

References $552.