introduced a client session ID to simplify debugging in multi session environments

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1541900 13f79535-47bb-0310-9956-ffa450edef68
Workbench: added simple proxy detection

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1541913 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk
Workbench: improved error handling at login

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1541979 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk