Base+Userland: Apply Human Interface Guidelines to Object text

Corrects a slew of titles, buttons, labels, menu items and status bars
for capitalization, ellipses and punctuation.

Rewords a few actions and dialogs to use uniform language and
punctuation.

Userland/Games/GameOfLife/GameOfLife.gml

@@ -34,7 +34,7 @@
             @GUI::VerticalSeparator {}
 
             @GUI::Label {
-                text: "Update Speed: "
+                text: "Speed: "
                 autosize: true
             }