Random code cleanups.

Remove unused method, fix spelling error, remove null check that isn't needed.
Merge pull request #24 from PressAssociation/random-code-cleanup

Random code cleanups.
Update .gitignore to ignore all target dirs.
Update versions of maven plugins
Update tag name format.
Don't include check-style as part of the default build.
[maven-release-plugin] prepare release v1.0
[maven-release-plugin] prepare for next development iteration
Add NoneMatcher.

This CL adds support for Matcher.none() which is === to Matcher.of("")
First stab at adding Matcher.restrictPath.

Adds unit tests. This will be rebased at some point to be the full commit.