removed login form related js code.
removed return value from method _log_in_user()
de-ajaxified default login action.
pushed translation into the view template.
de-ajaxified LDAP login action.
renamed protected method.
removed gunk.
Merge pull request #338 from stopfstedt/deajaxify_login_form

Deajaxify login form
Merge branch 'master' into behat

Conflicts:
	web/application/views/login/login.php