* Improve code.
* Update locales.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1421 3c3d7b80-5828-415e-9f61-280b98178fff
Undo previous change to selection mode SINGLE. The MULTI mode works as in every file browser. Selection a range with clicking SHIFT-LMB. Selecting multiple entries with CTRL-LMB. Selecting a row by clicking NOT the checkbox unchecks all other entries. This mode allows better selection of multiple rows and individual entries.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1422 3c3d7b80-5828-415e-9f61-280b98178fff