Bumped the development version of stscil.distutils since it contains significant API changes.  Also bumped the version requirement on the sample stsci.tools and acstools packages.
Bumped the development version of stscil.distutils since it contains significant API changes.  Also bumped the version requirement on the sample stsci.tools and acstools packages.

git-svn-id: ae5d535d8549566df64d2c38e8f7097ffa427e83@13877 fe389314-cf27-0410-b35b-8c050e845b92

jhunkeler/acstools