add basic zlib support add some string members, add some process exit

add basic zlib support add some string members, add some process exit

2007-07-21 Raffaele Sandrini <raffaele@sandrini.ch>

	* vapi/zlib.vala: add basic zlib support
	* vapi/glib-2.0.vala: add some string members, add some process
	  exit status and signal handling functions/macros, enhance FileStream
	  create GLib.DirUtils to be the same for dirs as GLib.FileUtils is for
	  files, enhance GLib.HashTable binding, add g_list_free function to
	  the collection of HashTable freeing functions
	* vapi/Makefile.am: update

svn path=/trunk/; revision=365