remove not in use js and typo fix. closes #183
Merge pull request #184 from Soundnode/fixes-code-refactoring

remove not in use js and typo fix. closes #183
Merge pull request #185 from Soundnode/develop

Latest code from develop branch. closes #183
Merge pull request #186 from Soundnode/master

Update latest code from master branch before 0.5.0 release