set image:title optional for xml rendering
add optional image:geo_location tag for images
encodes xml entities
Merge branch 'master' of https://github.com/RoumenDamianoff/laravel-sitemap

Conflicts:
	src/views/xml.blade.php
fix loop over images array instead of single element
Merge pull request #43 from Casinelli/master

Fix loop over images rather than single item