Merge pull request #168 from demarey/configuration

Add Pharo3.0 support. Update ProfStef repo to use SmalltalkHub.
first cut at fix for Issue #172
sloggin away on Issue #172
release 1.0-beta.31.1.7 as parial step towards Issue #172 resolution
Issue #172: ensureMetacello changes ...
use #stable version of FileTree
1.0-beta.32.1 needs to use #stable version of FileTree
1.0-beta.32.1 (dkh.780):
- pick up latest package versions from git repo ... preparing for release
ConfigurationOfMetacelloPreview 1.0.0-beta.32.7 release

-synchronize with current Metacello 1.0-beta.32.1
- fix Issue #172: Metacello-Base bootstrap code and configurations should reference seaside.gemtalksystems.com repos
  https://github.com/dalehenrich/metacello-work/issues/172
add pharo2.0 to lineup ... intend to address Phaor02.0 issues before finished
Issue #159: first cut at fix...pharo2.0 and pharo3.0 for the moment
Issue #159: enable Pharo and Gemstone representative to validate non-Fiesystem functionality
need Warning handler in travisPreviewCI.st
fix errors in FileSystem code
another typo retyped
can you say ... the last typo has been fixed?
don't need Gofer preloaded in previewBootstrap.st
pharo-2.0 looks good now ... pharo-3.0 not so much ... turn on Squeak only to get status before publishing the two configurations
add comments and remove Squeak4.5 where failing ... FileTree is next stop
fix Issue #170: location of ConfigurationOfOsProcess for Pharo2.0+ changed