Czech translation

by Piki Jan
Version 9.5.1

add convert_spaces options to convert all spaces with _
update german translation file
Merge pull request #101 from bessl/master

update german translation file
Added support for cross-domain file selection using URL parameter "crossdomain"

Conflicts:
	filemanager/js/include.min.js
Added support for cross-domain file selection when file manager is invoked from TinyMCE editor