Made Text account for shadow and border effects in width/height methods, made TextBlock support disabled state styling

lib/cyberarm_engine/ui/elements/text_block.rb

@@ -22,6 +22,12 @@ module CyberarmEngine
       end
 
       def recalculate
+        unless @enabled
+          @text.color = @style.disabled[:color]
+        else
+          @text.color = @style.color
+        end
+
         @width  = 0
         @height = 0