Squash some spelling issues

compiler/basicTypes/BasicTypes.lhs

compiler/cmm/CmmContFlowOpt.hs

compiler/coreSyn/CoreLint.lhs

compiler/coreSyn/CoreSubst.lhs

compiler/coreSyn/CoreSyn.lhs

compiler/hsSyn/HsUtils.lhs

compiler/rename/RnEnv.lhs

compiler/rename/RnPat.lhs

compiler/rename/RnSource.lhs

compiler/simplCore/OccurAnal.lhs

compiler/simplCore/SimplCore.lhs

compiler/stgSyn/CoreToStg.lhs

compiler/typecheck/TcMType.lhs

docs/comm/exts/th.html

docs/comm/the-beast/basicTypes.html

docs/comm/the-beast/renamer.html

docs/comm/the-beast/simplifier.html

docs/comm/the-beast/stg.html

docs/comm/the-beast/typecheck.html

docs/ndp/haskell.sty