Merge pull request #10 from bgamari/master

Changes for ghc 7.6
bumped version to 0.2.3.1
Add specific Lift instance for Identity
Merge pull request #11 from zenzike/f25c7588a0d2b319c41d55dde2287651a596b963

Add specific instance for Lift for Identity
Merge branch 'master' of https://github.com/mokus0/random-fu
Fixed build on MTL-1 and bumped versions for release

Also added change notes and a comment explaining the reason for the new
Lift instance's existence.
moved internal modules within random-source

this is a workaround for a cabal sandboxing issue
(https://github.com/haskell/cabal/issues/1389)
oops, moved too many modules last time round.
Allow samples to be taken from the t distribution.
bumped version to 0.2.5.0
exported a function that should've probably already been exported
switched to use math-functions library and added T CDF
rvar: Bump transformers upper bound