Changes to ghc(2)

Changes to ghc:
commit a05ffbd9ae09a22e6ab08b14a111988cf6846590
Author: Jan Stolarek <jan.stolarek@p.lodz.pl>
Date:   Wed Oct 16 13:12:12 2013 +0200

    Remove unused code

    I am removing old loopification code that has been commented out
    for long long time. We now have loopification implemented in
    the code generator (see Note [Self-recursive tail calls]) so we
    won't need to resurect this old code.

commit 738e2f122f427d8ea05a509793952b4216ed8212
Author: Jan Stolarek <jan.stolarek@p.lodz.pl>
Date:   Wed Oct 16 13:11:52 2013 +0200

    Trailing whitespaces