switch from getindex to getproperty
update readme to reflect change to getproperty/setproperty!
add macro Gtype_decl for different definition of g_type(...)
add temporary deprecation measures for getproperty change
Merge branch 'glib2' of github.com:bfredl/Gtk.jl
Merge branch 'listView' of github.com:tknopp/Gtk.jl

Also fix end-of-line spaces.

Conflicts:
	src/Gtk.jl
update gbox methods more
improve gtk get method detection algorithm