fixed issue with check where licenses with no header would be skipped if skipExistingHeaders is true
changed log level to info when if existing header found and skipExistingHeaders is true
add buildSrc/build.gradle so license plugin can be applied to it's own build
Merge pull request #31 from mlueders/check-skipheaders-fix

fixed issue with license check and skipExistingHeaders
Merge branch 'check-skipheaders-reduce-loglevel' of github.com:mlueders/license-gradle-plugin into mlueders-check-skipheaders-reduce-loglevel

Conflicts:
	src/main/groovy/nl/javadude/gradle/plugins/license/maven/LicenseCheckMojo.java
Merge pull request #33 from mlueders/incorporate-license-plugin

Apply license plugin to itself