patch applied (packages/base): Added Applicative and Alternative instances for STM

[Simon Marlow]

Sun May 16 10:17:56 PDT 2010  Bas van Dijk <v.dijk.bas at gmail.com>
  * Added Applicative and Alternative instances for STM

    M ./Control/Applicative.hs +14

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/base;a=darcs_commitdiff;h=20100516171756-ae560-5c917031ebdb0c7575c48b67f0112e088dc70e6f.gz