IDE-784 #comments Use new exception to provide more useful information to debugging.
IDE-791 Handle null type.
IDE-792 Update dtd files from core framework.
IDE-791 Added unit test to check for null type.
DOCS-160 Updated plugins names and references as per the ticket.
Ensure the Jacorb bundle is activated and initialized before running tests.
Merge branch 'develop-1.9' into develop-1.10

* develop-1.9:
  Ensure the Jacorb bundle is activated and initialized before running tests.
Added release method to CroabUtils.
Update headers and license/copyright files
Fix comment in top-level pom
update LogInterfaces.idl from latest core framework develop-1.10 branch
Updated comments and Log idl.