Adding command line option to exclude packages and classes.

[chintana-zz]

Introducing 2 command line options to exclude packages and class. Kraal will skip files that matches exclusion list, a comma separated list of packages and classes.

--excludePackages="org.pkg1,org.pkg2" --excludeClasses="class1,class2"

Signed-off-by: Chintana Wilamuna [email protected]