fix for javadoc problems acording to java8
update findbug to latest version to support java8 compilation
fix for Checkstyle violations
Update README.md
site was added to validate javadoc
fixes for javadoc problems that are found by java8
fix for Checkstyle's violations
Issue 134: Exception thrown when parsing numeric constant "3.14_15F"
point 7.3.2 in Wikipage was updated