Changes to ghc(2)

Changes to ghc:
commit 311c55d132a65e657771e5f58b12a205e0a4af99
Author: Jan Stolarek <jan.stolarek@p.lodz.pl>
Date:   Thu Jul 3 08:16:28 2014 +0200

    Update documentation

      * fix links to the User's Guide in ghc and ghci --help messages
      * fix default stack size info in RTS help message

commit 4c91bc6d76662cec3be045e99eae68093148b2b8
Author: Jan Stolarek <jan.stolarek@p.lodz.pl>
Date:   Thu Jul 3 07:12:12 2014 +0200

    PrelNames cleanup

      * Replace usage of methName with varQual, because they are identical
      * Minor formatting adjustments