hotfix Workaround for DoctrinePHPCRBundle regression

Fixes the issue with using non-existing workspaces which are not
named "default".

Conflicts:
	CHANGELOG.md
fixed changelog
fixed changelog
added x-default to sitemap.xml
added alternale urls state filter
fixd typo
fixed test cases
Merge branch 'hotfix/sitemap-alternate' into develop

Conflicts:
	CHANGELOG.md