dist
cherry-picked d3c78d5cd07df210a6ad68a450edbb1b6c87807d

Make sure (???) buildout doesn't downgrade due to defer-final
cherry-picked 8059b73a78b7791b0dd719a8d57d98502438f053

Versions in versions sections can now be simple constraints, like
<2.0dev in addition to being simple versions.
missing change
Fix: distribute 0.6.33 broke Python 2.4 compatibility
Unless version requirements are specified, buildout won't upgrade
itself past version 1.
Set default version requirements to prevent updating zc.recipe.egg and
zc.recipe.testrunner past version 1
trailing whitespace
search the github download area when accepting test releases, since we
can't release them to pypi anymore.
Fixed: the bootstrap command didn't honor the <2dev requirement
prep for release
Fixed: the bootstrap command didn't honor the <2dev requirement
plan D
Updated with the new (and I hope forever) home of test releases.
Fixed: zc.buildout.easy_install.IncompatibleVersionError went away.
prep for release
typo
Fixed: bootstraps weren't completed correctly if settings (X:Y=Z) were used.
Merge pull request #2 from buildout/1.6.x

1.6.x