Updated ConEmu to v140422

This in particular should fix the Cygwin process forking issue.
Not sure why I felt the need to have all Env Vars in ALL CAPS
Better handling of loading ANSICON when appropriate

If we try and load ANSICON via the AutoRun registry key in addition to our
SetupEnv script then ConEmu will nuke the entire line due to its blocking
of ANSICON. Thus, our SetupEnv script won't run either...