ENH: use #!/usr/bin/env python for the shebang instead of non-working on POSIX systems plain #!python
Fix postproc reference
Merged in yarikoptic/setuptools (pull request #29)

ENH: use #!/usr/bin/env python for the shebang instead of non-working on POSIX systems plain #!python
Merged in williambr/setuptools/postproc (pull request #31)

Fix postproc reference
Update changelog
Added tag 2.0.2 for changeset 5a62ac60ba31
Bumped to 2.0.3 in preparation for next release.