Glade 3: new strings marked for translation

[Juan Pablo Ugarte <juanpablougarte gmail com>]

Hello these strings have been marked for translation because they were
left out by accident as noted in bugs #410735 and #410731.

src/glade-project-window.c 
	"%s [%s] - Properties"
	"Properties"
plugins/gnome/gnome.xml.in 
	"Gnome App"
	"Gnome Druid"
	"Gnome Druid Page Edge"
	"Gnome Druid Page Standard"
	"Gnome Icon Entry"
	"Gnome Icon Selection"
	"Gnome HRef"
	"Gnome Date Edit"
	"Gnome App Bar"
	"Gnome Dialog"
	"Gnome About"
	"Gnome Message Box"
	"Gnome Property Box"
	"Gnome File Entry"
	"Gnome Pixmap Entry"
	"Gnome Color Picker"
	"Gnome Font Picker"
	"Gnome Pixmap"
plugins/gnome/canvas.xml.in 
	"Gnome Canvas"
	"Gnome Icon List"
gladeui/glade-signal-editor.c
	"<Type the signal's handler here>"
	"<Type the object's name here>"

Sorry I did not ask before commiting, if you consider this as a string
break i will revert the changes in a blink of an eye! :)

Somehow I taked for granted that Nickolay was a i18n guy! heh

Thanks for your great work!

Juan pablo