[ZF-5273]        Updating docs to reflect that that                  Content->getSrc() returns a string                  instead of an extension element 
[ZF-5273]        Updating docs to reflect that that
                 Content->getSrc() returns a string
                 instead of an extension element 


git-svn-id: abaeb2b3ba5a94ed391a9405ad7d63d0414021c9@13292 44c647ce-9c0f-0410-b52a-842ac1e357ba

grzana12/ZendFramework,grzana12/ZendFramework,sandsmedia/zf,sandsmedia/zf,grzana12/ZendFramework,grzana12/ZendFramework,sandsmedia/zf