Issue #129 and Issue #130: clean up .travisyml and save MetacelloReleaseDeployer

MetacelloReleaseDeployer implements the release script for Issue #129
Issue #130: getting started on revamping the travisCI scripts
Issue #130: fix repository path
Issue #130: get latest config version over here
ping travis
Issue #130: fix a dependency issue for 1.0-beta.31.1.5
Issue #130: tests passed for 1.0-beta.31.1.5 on Pharo-1.3 ... run tests on rest of platforms
snap off new release of Preview ... mainly to start supporting Pharo-1.1 and Pharo-1.2
Issue #132: mark 1.0.0-beta.32.3 as stable
Issue #130: add PharoCore-1.1 and PharoCore-1.2 platforms for testing
Issue #130: eliminate an undefined global reference to halp Pharo2.0 loading
Issue #130: fix up global reference in test script
fix up platform version for squeak
Merge branch 'release_1.0-beta.31.1.5' into configuration

Issue #129: MetacelloReleaseDeployer used for deployment
Issue #130: updated scripts for testing the raw configuration
Issue #130: enable travisPreviewCI tests and update travisPreviewCI.st to directly load Metacello-Base.st
Issue #130: enable preview for Pharo-1.1 and Pharo1.2 ... fix preview script, now that Metacello isn't automatically booted
ping travis
Have to build with -X for travisCI.st and -m for travisPreview.st, because Metacello may already be installed..
fix a typo in .travis.yml
update description for 1.0.0-beta.32.3: Synchronize with Metacello 1.0-beta.31.1.5