Refactor CMIS Dictionary part 2

- further simplification of CMISDictionaryService and fixup fallout
- added logging
- consolidate & fix property definition handling (only one definition per property)
- include support for aspect properties
- fix property.isInherited
- open up the door for types outside of CMIS doc, folder, rel & policy

Dictionary Service
- add isOverride() to PropertyDefinition

Invite Workflows
- ensure they create their own namespace for new types/props
- NOTE: the previous way uses a hole in the DictinaryService which has been there
        unnoticed for over 4 years, till now. At some point, the hole will be filled in.
        
Tests pass for CMIS REST / Web Services and Query.
Tests pass for Invitation Service.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13786 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/dictionary/PropertyDefinition.java

@@ -71,6 +71,8 @@ public interface PropertyDefinition
      */    
     public ClassDefinition getContainerClass();
     
+    public boolean isOverride();
+    
     /**
      * @return  true => multi-valued, false => single-valued  
      */