Add SpringioPlatformPlugin
springio-platform-plugin README now uses https://repo.spring.io/plugins-snapshot
Alternatives plugin ignores test dependencies

This is necessary since many testing frameworks (i.e. mock frameworks)
require libraries like cglib.
Upgrade gradle wrapper to version 1.11
Update company name
Fix scope issues with IDEA 13+

Closes #22

Issue: spring-projects/gradle-plugins#22