Initial import from Google Code.
One of tests didn't work on Windows.
Javadoc fixes to make it working under JDK 8 Javadoc.
Now pitest works with Java 8.
Java 8 support tests' refactor.
Added support for Java 8 lambda expressions.
Merged with https://github.com/hcoles/pitest/
Merged with https://github.com/hcoles/pitest/