Move ClassName_test here from DataModel.  Remove unordered_set.h.  Fix some typos in comments.


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Control/SGTools/trunk@559809 4525493e-7705-40b1-a816-d608a930855b
Generate IProxyDictWithPool / IStringPool dicts here (instead of DataModel).


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Control/SGTools/trunk@559873 4525493e-7705-40b1-a816-d608a930855b