[Pharo-project] Move MetaObjectTools from core to PharoDev

This package should be removed from core but it should still be loadable. Thus, when needed, they can be easily installed. On the other hand, it could be in PharoDev image. - MetaObjectTools: This package is moved to PharoDev. It doesnt have any users in PharoCore To fix, evaluate: (MCPackage named: 'ObjectMetaTools') unload. I created and put such code in http://www.squeaksource.com/ObjectMetaTools<http://www.squeaksource.com/MetaObjectTools> To load it again in a Pharo image: Gofer new squeaksource: 'ObjectMetaTools'; package: 'ObjectMetaTools'; load. During the week I will analyze the CUIS' ProtocolCatcher and see if it make sense to put it there too. Cheers Mariano