Use absolutizePath to support absolute and relative paths.
Add use statements for PathHelper
Add menu provider tests for get/has to test absolute/relative names.
Merge pull request #148 from benglass/render_menu_absolute_path

Use absolutizePath to support absolute and relative paths.
Add toString method to base menu node admin for displaying labels.
Merge pull request #149 from benglass/menu_admin_to_string

Add toString method to base menu node admin for displaying labels.
make the link type optional
Merge pull request #150 from symfony-cmf/link_type_auto

[WIP] make the link type optional
Added slovak translation
Merge pull request #151 from pulzarraider/sk_translation

Added slovak translation