Split the websphere-apis module and move the DB2 JCC API stubs to a separate module. This will make the transition to the VisualWAS connector easier.

git-svn-id: https://rhq-websphere-plugin.googlecode.com/svn/trunk@531 25399334-bce1-c7a2-fc85-eb4e137d2a91
Switched to VisualWAS connector (to be continued)