Re-ordered the parameters sent to CAS. As they were previously, the
return service url ended up with extra parameters. The return service
URL is now last and all other parameters are prior to that.
Fixed URL building issues
Added release note to readme
Added logging when the force and passive are both set
Corrected test and param building
Updated cas client jar to 3.3.1
Merge pull request #3 from Unicon/issue1

Re-ordered the parameters sent to CAS.