glib-2.0: Add more GMarkup bindings
glib-2.0: Add more GMarkup bindings

Add g_markup_collect_attributes, g_markup_parser_context_push,
g_markup_parser_context_pop, and GMarkupCollectType bindings,
based on patch by Yu Feng, fixes bug 564704.

spidermonkdust/vala,kamanashisroy/aroop,lovebug356/vala,themiwi/vala,frida/vala,Distrotech/vala,flobrosch/vala-fixes,themiwi/vala,playya/vala,Jc2k/vala,GNOME/vala,jessevdk/vala,themiwi/vala,GNOME/vala,severinh/vala,spidermonkdust/vala,rvu95/vala,severinh/vala,severinh/vala,rvu95/vala,phako/vala,Distrotech/vala,rvu95/vala,GNOME/vala,playya/vala,frida/vala,kamanashisroy/aroop,phako/vala,kamanashisroy/aroop,tjol/vala-tjol,Distrotech/vala,flobrosch/vala-fixes,spidermonkdust/vala,jessevdk/vala,tjol/vala-tjol,frida/vala,playya/vala,jessevdk/vala,lovebug356/vala,frida/vala,flobrosch/vala-fixes,xdave/pvala,tjol/vala-tjol,Jc2k/vala,frida/vala,GNOME/vala