Add progress route

Adds API progress route to allow user progress to be updated using the new Gamification engine.

Prevent initSession callback from being called 2x

Merge pull request #30 from pazdera/xd-auth-issue

bugfix: Make sure the initSession callback isn't called 2x

Don't use xdAuth inside Electron

v3.0.15

Rebuilt dist/ before release

Clear new token when logging out

3.0.14

Rebuild dist/ before release

First sdk release

3.0.13

Add standalone build