Added Images and Urls

Added Images to sitemap
Added toUrl function to convert loc to url
Added flush for development to flush cache.
Corrected Spelling And Added News

Corrected Spelling of ‘flush’ in module variables.
Added ability to add news to sitemap.
Updated Readme to show new options and added resource links to Google
Documentation.
Update README.md

Updated Resources
Merge pull request #3 from linchpinstudios/master

Added Images and News