Update issue 995
Datasource model applied to Oracle extractor and applier

git-svn-id: http://tungsten-replicator.googlecode.com/svn/trunk@2567 9f5e3340-5c9a-25cb-7c1c-c133a2e9e928
Update issue 996
Now handling table name that contain special characters ($ in the test case)
Added unit test as well

git-svn-id: http://tungsten-replicator.googlecode.com/svn/trunk@2568 9f5e3340-5c9a-25cb-7c1c-c133a2e9e928