CB-285 Add cordova.file.*Directory properties for iOS & Android
CB-285 Docs for cordova.file.*Directory properties
ios: Don't fail a write of zero-length payload.
Initial implementation for Firefox OS
Fixed toURL() toInternalURL() information in the doku
Small wording tweaks
Merge branch 'initial'
CB-6803 Add license
Merge branch 'master' into pluggable_webview
pick up fileextras