Introducing API inclusion and submodules

Jira issue: WP-1274
Merge pull request #64 from smonteleone/WP-1274

Introducing API inclusion and submodules
Fixes missing attribute in Path module in nodejs on Android

Jira-issue: WP-1278
Merge pull request #65 from mlasak/WP-1278

Fixes missing attribute in Path module in nodejs on Android