Fixing maven build for Java 8, disabling the mandatory doclint pass which was added to that Java release.
Instead of disabling doclint in Java 8 builds, now checking only syntax and reference issues
Reverting to -Xdoclint:none, since syntax and reference are too aggressive for our purposes.
Merge pull request #12 from Ghnuberath/develop

Fixing maven build for Java 8 without breaking Java 7 build