code and JavaDoc clean up

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1518960 13f79535-47bb-0310-9956-ffa450edef68
code and JavaDoc clean up

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1518962 13f79535-47bb-0310-9956-ffa450edef68
Browse Binding createType: throw CmisInvalidArgumentException if no base type is provided

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1519482 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk