Remove is_ref and is_out properties from DataType class, add direction

Remove is_ref and is_out properties from DataType class, add direction

2008-04-15  Juerg Billeter  <j@bitron.ch>

	* vala/valaarraytype.vala, vala/valaclasstype.vala,
	  vala/valadatatype.vala, vala/valaformalparameter.vala,
	  vala/valainterfacetype.vala, vala/valainterfacewriter.vala,
	  vala/valanulltype.vala, vala/valaparser.vala,
	  vala/valasemanticanalyzer.vala, vala/valasymbolresolver.vala,
	  vala/valatypeparametertype.vala, vala/valaunresolvedtype.vala,
	  vala/valavaluetype.vala, gobject/valaccodegenerator.vala,
	  gobject/valaccodegeneratorinterface.vala,
	  gobject/valaccodegeneratorinvocationexpression.vala,
	  gobject/valaccodegeneratormemberaccess.vala,
	  gobject/valaccodegeneratormethod.vala,
	  gobject/valaccodegeneratorsignal.vala,
	  gobject/valagidlwriter.vala, vapigen/valagidlparser.vala:

	  Remove is_ref and is_out properties from DataType class, add
	  direction property to FormalParameter class

svn path=/trunk/; revision=1237