Merge branch 'dev'
Force updates for squeak images for there often is no current release artifact
Fix for previous commit
Fix image building for squeak 4.5, add squeak trunk
Allow for a more liberal Smalltalk selection scheme for Squeak
Add Squeak-Trunk
Add Squeak-4.5 and Squeak-Trunk
Cope for gemstone
Warnings in the Squeak update process are harmless.
added krono filetree
moved krono filetree loading after metacello loading
Guard the specific filetree version for squeak only
Merge pull request #59 from SWTI2014/master

Fixes for Squeak ... great! Squeak 4.5 was on my todo list and I'm glad you've dug into it!