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

$ ls
checkstyle-6.2-SNAPSHOT-all.jar  src
$ java -jar checkstyle-6.2-SNAPSHOT-all.jar -c /google_checks.xml src/Test.java
Starting audit...
/home/asus/Downloads/suptest/src/Test.java:1: warning: Abbreviation in name must contain no more than '1' capital letters.
/home/asus/Downloads/suptest/src/Test.java:1: warning: The name of the outer type and the file do not match.
/home/asus/Downloads/suptest/src/Test.java:2: warning: 'method def modifier' have incorrect indentation level 4, expected level should be 2.
/home/asus/Downloads/suptest/src/Test.java:3:23: warning: '(' is preceded with whitespace.
/home/asus/Downloads/suptest/src/Test.java:6: warning: 'method def rcurly' have incorrect indentation level 4, expected level should be 2.
Audit done.