Fixed a regression in jUrl::getCurrentUrl()

The method did not generate the good url, module and action
was not found. Authentication features had then some issues
like inifinite redirection loop or bad support of
the auth_url_return parameter.
Merge branch 'jelix-1.3.x' into jelix-1.4.x

Conflicts:
	lib/jelix/core/jCoordinator.class.php
	lib/jelix/core/jUrl.class.php
fixed unit test
Merge branch 'jelix-1.3.x' into jelix-1.4.x

Conflicts:
	testapp/modules/jelix_tests/tests/core.urls_generation.html.php
Release Jelix 1.4.4
Bumped version to 1.4.5pre.SERIAL