Changed error handing and generation when we are moving new files to www folder.
Changed error handing and generation when we are moving new files to www folder.

davidovich/cordova-hot-code-push,limexcomputer/cordova-hot-code-push,limexcomputer/cordova-hot-code-push,mnewmedia/cordova-hot-code-push,mnewmedia/cordova-hot-code-push,nordnet/cordova-hot-code-push,nordnet/cordova-hot-code-push,davidovich/cordova-hot-code-push