SlotsList restructurized to use take advantage of OrgList.
SlotsList restructurized to use take advantage of OrgList.

This list already inherited from OrgList but basically redefined all the methods. Now it implements the abstract functions, so the code is simpler and does not duplicate OrgList class.

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son