[gnome-builder] keybindings: add a few more keybindings to our gedit emulation

[Christian Hergert <chergert src gnome org>]

commit 718116308606b1ab09248fc6ef5985a544f0ca63
Author: Christian Hergert <christian hergert me>
Date:   Sat Sep 12 16:53:43 2015 -0700

    keybindings: add a few more keybindings to our gedit emulation

 data/keybindings/default.css |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/data/keybindings/default.css b/data/keybindings/default.css
index 39d2126..727e6bf 100644
--- a/data/keybindings/default.css
+++ b/data/keybindings/default.css
@@ -16,6 +16,9 @@
   bind "<ctrl>k" { "action" ("view-stack", "show-list", "") };
   bind "<ctrl>d" { "delete-from-cursor" (paragraphs, 1) };
   bind "<ctrl>j" { "join-lines" () };
+  bind "<ctrl>u" { "change-case" (upper) };
+  bind "<ctrl>l" { "change-case" (lower) };
+  bind "<ctrl>asciitilde" { "change-case" (toggle) };
 
   bind "<ctrl>minus" { "decrease-font-size" () };
   bind "<ctrl>plus" { "increase-font-size" () };