Merge pull request #62 from rampo/master

Adding Brazilian Portuguese translation
Updated VersionName in manifest for upcoming 2.0.1 release
Updated VersionName in Readme for upcoming 2.0.1 release
Updated Changelog for upcoming 2.0.1 release
Updated library version in Readme for upcoming 2.0.1 release
Updated library version in build.gradle for upcoming 2.0.1 release
Added demo apk for upcoming 2.0.1 release
Merge pull request #64 from rampo/develop

2.0.1 release