Move R eval and log commands to after successful login, login fails if login command isn't first
Updated getcapabilities skeleton...

... added URLs for GetCaps and DescribeProcess via POST, removed
outdated supported service version 0.4.0.
Fixed some compliance issues...

... added mandatory assertions to DescribeProcess tests, added tests for
DescribeProcess request with empty identifier.
Merge remote-tracking branch 'upstream/master'
Merge pull request #38 from bpross-52n/master

Fixed some compliance issues...