Add "or", "and" and "not" as synonyms to "&&", "||" and "!".

From this discussion:
https://groups.google.com/forum/#!topic/osl-dev/nds648OuPvM

Cool - are you suggesting we just put the '!' line back and also include the NOT_OP line?  If I do that, it works just fine.  Or were you suggesting that we key off of 'not' and '!' rather than have the NOT_OP at all?