Merge branch 'hotfix-v1.2.2' into apply_v1.2
added missing Spanish strings
Added Catalan language
Merge commit 'e02a7786d8935b539efa90ef92a9f2830de9f6ca' into dev-langimprove

Conflicts:
	lang/es/enrol_apply.php
langfile adjusted: new strings added (english only), unused removed
Merge branch 'dev-langimprove' into develop
catalan language added, some missing spanish strings translated

merged pullrequest #8 partially