set app type to hosted or packaged (default: hosted)
Asking cturra for help.
remove unsanitary characters instead of replacing them with underscores, which Android doesn't like in class paths
ensure package name valid while minimizing mutation
Merge branch 'sanitize-name' into packaged-app

Conflicts:
	builder/lib/manifest-androidifier.js
Merge pull request #2 from mykmelez/packaged-app

basic support for packaged apps