FFOS added to supported platforms
CB-6798 Add license
ubuntu: don't destroy callback after use
CB-6127 Spanish and French Translations added. Github close #10. Github
close #12. Github close #11
CB-6877 Updated version and RELEASENOTES.md for release 0.2.8
CB-6877 Incremented plugin version.
Merge branch 'fxos-doc' of github.com:zalun/cordova-plugin-device-motion
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-device-motion
Merge remote-tracking branch 'upstream/master'