Updating apimgt feature version to 4.2.0-SNAPSHOT

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@175540 a5903396-d722-0410-b921-86c7d4935375
Adding apimgt features to root pom.

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@175541 a5903396-d722-0410-b921-86c7d4935375
Updating hostobjects version to 4.2.0-SNAPSHOT.

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@175542 a5903396-d722-0410-b921-86c7d4935375