SOAPUI-4483  Make sure that you can run the unit tests and integration tests independent from each other

* Using annotation instead of the *IT suffix
Adding a README.md for the root
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Adding the com.eviware.soapui.SoapUI class to the exec plugin configuration to make it even easier to run soapUI from the commandline.
Merge remote-tracking branch 'origin/SOAPUI-3838-Convert-to-maven3' into SOAPUI-3838-Convert-to-maven3
Update README.md
Create README.md
Update soapui-maven-plugin/README.md
Update soapui-maven-plugin/README.md