CB-6810 Add license to CONTRIBUTING.md
Merge branch 'master' of https://github.com/ldeluca/cordova-plugin-splashscreen
CB-6877 Updated version and RELEASENOTES.md for release 0.3.1
CB-6877 Incremented plugin version.
Merge branch 'master' of ssh://github.com/ldeluca/cordova-plugin-splashscreen into CB-6773cordova-plugin-splashscreen