trying bash case fallthrough
reduce lineup to Pharo-3.0 and Squeak-4.5 ... the two focal points for this phase of work
revise Metacello Preview bootstrap logic, now that several platforms have the Preview pre-installed...turn on representative set of platforms for testing
Squeak-4.5 is a separate issue that needs to be addressed independently
Merge pull request #53 from dalehenrich/dev

Metacello Preview bootstrap for Pharo-3.0