Fix a bug and some refactoring in CMIS test client

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1569300 13f79535-47bb-0310-9956-ffa450edef68
CMIS-760: include minepull 1.9.4 instead of mimepull 1.3 due to a mimepull bug

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1569323 13f79535-47bb-0310-9956-ffa450edef68
CMIS-757: allow arbitrary AtomPub links 

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1569665 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk