added current language to html lang attribute
added current language to html lang attribute
Merge branch 'patch-13' of https://patrickheck@github.com/patrickheck/concrete5.git
Merge remote-tracking branch 'concrete5/master'
Added the possibility to set language for urlify

This is useful if languages have different rules for the same character
e.g. German: "ü" => "ue"
Turkish: "ü" => "u"

The language specified will have the priority over all others.
Merge branch 'master' of github.com:patrickheck/concrete5

Conflicts:
	web/concrete/core/helpers/text.php
	web/concrete/libraries/3rdparty/urlify.php
	web/concrete/tools/pages/url_slug.php