support temporary variables in initializers and iterators of for

support temporary variables in initializers and iterators of for

2007-04-05  Jürg Billeter  <j@bitron.ch>

	* vala/valacodegenerator.vala, vala/valaforstatement.vala: support
	  temporary variables in initializers and iterators of for statements
	* vala/valacodegenerator.vala: support freeing generic types
	* vala/parser.y, vala/valacodevisitor.vala,
	  vala/valasemanticanalyzer.vala, vala/valacodegenerator.vala,
	  vala/valareferencetransferexpression.vala: add reference transfer
	  expressions, e.g. `#var'
	* vala/vala.h, vala/Makefile.am: update

svn path=/trunk/; revision=281