fixed the readme
fixed the link to repositories in the cabal files
Merge movement of raaz to the raaz-crypto organisation

The raaz repository is now under the raaz-crypto organisation.  These
patches change the links in the cabal files and readme to reflect this
change.
script to build raaz for travis
fix .travis.yml to run the scripts/travis-build.hs
added flags in test to print only when failed
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trying travis build
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platform cabal file for 2012.4.0.0 added
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