Build: Upgrade grunt-hash-manifest version to 0.5.1
Build: Upgrade grunt-hash-manifest version to 0.5.1

MANIFEST was containing incorrect hashes

arschmitz/uglymongrel-jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,hinaloe/jqm-demo-ja