inclded sample in samples pom

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178410 a5903396-d722-0410-b921-86c7d4935375
removing STS sample from trunk

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178411 a5903396-d722-0410-b921-86c7d4935375