Implement InterIsolateMutex natives
Add some tests for InterIsolateMutex
Merge branch 'master' of https://github.com/andreasgal/j2me.js into implement_interisolatemutex_natives

Conflicts:
	tests/automation.js
Combine lines in TestInterIsolateMutex
Add break in for loops and add missing semicolons
Increase ID on each mutex creation
Merge pull request #226 from marco-c/implement_interisolatemutex_natives

Implement InterIsolateMutex natives