remove guava exclusion from license plugin since it no longer coflicts with gradle
added debug logging to ResourceResolver
apply default encoding to GroovyCompile tasks
made project-defaults plugin a bit more robust
 - default settings are no longer required to be set prior to applying the plugin
 - plugin will now respect values which have been manually set on tasks
Merge pull request #51 from mlueders/cleanup

Cleanup and improvements to project-defaults