Bert Freudenberg uploaded a new version of Installer-Core to project The Trunk:
http://source.squeak.org/trunk/Installer-Core-bf.357.mcz

==================== Summary ====================

Name: Installer-Core-bf.357
Author: bf
Time: 4 June 2012, 6:25:40.488 pm
UUID: 16e42276-de80-4d2c-aad1-9e9612ad705e
Ancestors: Installer-Core-cmm.356

Make "Installer squeak" work.

=============== Diff against Installer-Core-cmm.356 ===============

Item was changed:
  ----- Method: InstallerMonticello>>http:user:password: (in category 'instance creation') -----
  http: aUrl user: name password: secret
+ 	| url |
+ 	url := (aUrl includesSubString: '://')
+ 		ifTrue: [aUrl]
+ 		ifFalse: ['http://', aUrl].
+ 	mc := self classMCHttpRepository location: url user: name password: secret.
- 	
- 	mc := self classMCHttpRepository location: aUrl user: name password: secret.
  	root := mc locationWithTrailingSlash	
   !