Expand on Haskell-mode documentation
Expand on Haskell-mode documentation

The new documentation points to http://haskell.org, explains the API reference better, and gives instructions to build and install programs locally.
venkat24/codeworld,pranjaltale16/codeworld,google/codeworld,parvmor/codeworld,tgdavies/codeworld,tgdavies/codeworld,venkat24/codeworld,stefan-j/codeworld,parvmor/codeworld,google/codeworld,parvmor/codeworld,pranjaltale16/codeworld,nomeata/codeworld,nomeata/codeworld,pranjaltale16/codeworld,three/codeworld,alphalambda/codeworld,venkat24/codeworld,alphalambda/codeworld,alphalambda/codeworld,nomeata/codeworld,google/codeworld,stefan-j/codeworld,three/codeworld,tgdavies/codeworld,three/codeworld,stefan-j/codeworld