Expand on the BizMsgAspect

[BorisMomtchev]

• Involve the new HttpClient. Do an async fire & forget POST to the REST services
• Log any exceptions
• Write performance tests to estimate the AOP cost

[BorisMomtchev]

• Figure out a generic way to extract the values stated in the attribute at run-time
• Create many types of attributes/aspects based on the extraction mechanism? (just to make it easy and transparent for the user)