devpi-server-2.4.0 and friends: speedup, fixes, profiling

We just pushed devpi-{server,web,client,common} release files out to pypi. Most notably, the private pypi package server allows much faster installs due to much improved simple-page serving speed. See the changelog below for a host of other changes and fixes as well as for compatibility warnings.

tox-2.2.0: fixes and new ignore_outcome setting

I just released tox-2.2.0, see changelog below. More about tox here: http://tox.testrun.org have fun, holger -- about me:http://holgerkrekel.net/about-me/ contracting: http://merlinux.eu 2.2.0 - - fix issue265 and add LD_LIBRARY_PATH to passenv on linux by default because oth