Backed out changeset: ef949e6e6de1, which was itself a backout of the fix for Distribute #323, so this backout restores that fix and also Fixes #141.

--HG--
extra : rebase_source : f3c2a273556a2236d251c3d6ae49d96170b2db24

--HG--
extra : rebase_source : 1a0e14224de7b1e289582a557aafb17e6164e8cf

--HG--
extra : rebase_source : 4d1b9f2354d8966b2bd8c375662e5f29817adbb3

convert "find_in_zip" into "find_eggs_in_zip" to prevent it from walking whl files. Fixes #129

this specifically prevents a failure when wheels are nested under an egg dir
https://bitbucket.org/pypa/setuptools/issue/129

--HG--
branch : zip_path

Fix postproc reference

ENH: use #!/usr/bin/env python for the shebang instead of non-working on POSIX systems plain #!python

--HG--
branch : postproc

Fix NameError during installation with Python implementations (e.g. Jython) not containing parser module.

ENH: use #!/usr/bin/env python for the shebang instead of non-working on POSIX systems plain #!python

Fixed tests for skipping when svn not present.

--HG--
extra : histedit_source : 6cd9a3c6003d3f6de2f8e676b61589db4dffafb0

--HG--
extra : histedit_source : 2f1f4146ec1d5196cb65602302185a12060cfa17

--HG--
extra : histedit_source : 7924e09d06d2f6db58371735314caeee77aa2d3d