RFU: mercurial 2.4.2-1 (Python 2.7 upgrade)

[Jari Aalto]

New usptream release, remove oldest. Built for Python 2.7

wget --recursive --no-host-directories --cut-dirs=3 \
    http://cante.net/~jaalto/tmp/cygwin/mercurial/mercurial-2.4.2-1-src.tar.bz2 \
    http://cante.net/~jaalto/tmp/cygwin/mercurial/mercurial-2.4.2-1.tar.bz2 \
    http://cante.net/~jaalto/tmp/cygwin/mercurial/setup.hint

Jari