recreate cordova for each build

This follows advice given by one of the creators of cca in this stackoverflow thread: http://stackoverflow.com/a/22129580
recreate cordova for each build

This follows advice given by one of the creators of cca in this stackoverflow thread: http://stackoverflow.com/a/22129580
Merge branch 'build-cordova-as-needed' of https://github.com/DataSplice/datasplice-seed into build-cordova-as-needed
hide scary logging when cordova project already created
Merge pull request #26 from DataSplice/build-cordova-as-needed

Build cordova as needed