Protect registry calls with try...except so that not having an installed Python isn't an error
Merge pull request #579 from pfmoore/registry-optional

Protect registry calls with try...except so that not having an installed...
Changed IRC channel names.
Use the deadsnakes PPA for a not so dead snake (3.4).
Yes yes yes.
Don't join the channel to post messages to it
update list of dlls for pypy
copy lib_pypy for windows and pypy
whitespace cleanup