file_tools mod localization
merged
Merge branch 'master' of https://github.com/ColdTrick/file_tools
updated
upgrade process fixed
Merge branch 'master' of https://github.com/ColdTrick/file_tools
Merge branch 'master' of https://github.com/ColdTrick/file_tools

Conflicts:
	lib/events.php
	views/default/file_tools/group_settings.php
	views/default/file_tools/js/site.php
	views/default/file_tools/list/tree.php
	views/default/forms/file_tools/upload/multi.php
update(i18n): ru translation