adding mapping orientation options from w3c manifest values to Cordova values.
adding mapping orientation options from w3c manifest values to Cordova values.

lijie371/ManifoldCordova,manifoldjs/ManifoldCordova,lijie371/ManifoldCordova,manifoldjs/ManifoldCordova,lijie371/ManifoldCordova,Boltmade/cordova-plugin-offline-page,manifoldjs/ManifoldCordova,Boltmade/cordova-plugin-offline-page