Added sun and google configs to jar as resources, issue #305

According to #305 

sun and google config are located in jar:

test$ jar tf checkstyle-6.2.jar | grep "^.*.xml$"
com/puppycrawl/tools/checkstyle/antlib.xml
<b>sun_checks.xml</b>
<b>google_checks.xml</b>
checkstyle_packages.xml
META-INF/maven/com.puppycrawl.tools/checkstyle/pom.xml