added desktop dependency packages

pkgsel.d/desktop-deps.all

@@ -0,0 +1,15 @@
+X pygobject
+X pygtk
+X pycairo
+X glide3
+X boehm-gc
+X libsigc++
+X libexif
+X libexif-gtk
+X gtkmm
+X gdkmm
+X glibmm
+X pangocairo
+X cairomm
+X boost
+X boost-jam