Merge branch 'master' into wip/GenericsMetaData

compiler/simplCore/CallArity.hs

compiler/simplCore/SetLevels.lhs

docs/users_guide/7.10.1-notes.xml

libraries/base/Data/Bool.hs

libraries/base/Data/Char.hs

libraries/base/Data/Fixed.hs

libraries/base/Data/Typeable.hs

libraries/base/Data/Typeable/Internal.hs

libraries/base/GHC/Show.lhs

libraries/base/base.cabal

libraries/base/changelog.md

libraries/base/tests/T9681.hs

libraries/base/tests/T9681.stderr

libraries/base/tests/all.T

testsuite/.gitignore

testsuite/driver/testlib.py

utils/haddock