Added cleaning of pyc files and renamed c++ reference builder. (These changes have been in effect on the buildbot itself for at least a month.)
Added cleaning of pyc files and renamed c++ reference builder. (These changes have been in effect on the buildbot itself for at least a month.)

ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history