Merge pull request #1 from m2e-code-quality/master

Updates in Mainstream
Extended compatibility with m2e (supposed minor version is backwards compatible)
Merge branch 'master' of https://github.com/Dawuid/m2e-code-quality

Conflicts:
	com.basistech.m2e.code.quality.checkstyle/META-INF/MANIFEST.MF
	com.basistech.m2e.code.quality.shared/META-INF/MANIFEST.MF
Merge branch 'master' of https://github.com/Dawuid/m2e-code-quality

Conflicts:
	com.basistech.m2e.code.quality.checkstyle/META-INF/MANIFEST.MF
	com.basistech.m2e.code.quality.findbugs/META-INF/MANIFEST.MF
	com.basistech.m2e.code.quality.pmd/META-INF/MANIFEST.MF
	com.basistech.m2e.code.quality.shared/META-INF/MANIFEST.MF
	pom.xml