documents: make ciBuf a python property, and codeintelSvc a lazy class attribute

(integrated from komodo (trunk) change 81080 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13294 b87d16e7-d29f-4ee1-b5ec-817d645d335f
documents: make language registry service a lazy class attribute

(integrated from komodo (trunk) change 81081 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13295 b87d16e7-d29f-4ee1-b5ec-817d645d335f