2005-10-11 Cesar Lopez Nataren <cnataren@novell.com>

2005-10-11  Cesar Lopez Nataren  <cnataren@novell.com>

	* Add support for multiple files compilation. This involved addig
	an extra pass into the AST for ensuring the resolve process, this
	pass is named PopulateContext. The AST nodes that implement
	ICanModifyContext call PopulateContext.

	* IdentificationTable.cs: Added class Environment, which is a
	symbol table which takes into account namespace info, this is for
	package statement future implementation.

svn path=/trunk/mcs/; revision=51640