Merge pull request #360 from bhariharan/unstable

Merge branch 'master' into unstable
Readme update: Use the read-only git url for clone
Merge pull request #361 from akhileshgupta/master

Readme update: Use the read-only git url for clone
Fix npmignore file to include Proguard and local.properties
Bump up NPM version
Merge pull request #363 from bhariharan/master

Fix npmignore file to include Proguard and local.properties
Merge branch 'master' into unstable