Temporary fix: When editor is resized, adjust width of rendered lines.

We do this to ensure that the lines aren't longer than the scroll view if they don't have to be. We really should use min-width instead because it's automatic. Also, trigger window resize when we make the editor narrower.

src/app/editor.coffee

@@ -337,7 +337,9 @@ class Editor extends View
     @calculateDimensions()
     @hiddenInput.width(@charWidth)
     @setSoftWrapColumn() if @activeEditSession.getSoftWrap()
-    $(window).on "resize.editor#{@id}", => @updateRenderedLines()
+    $(window).on "resize.editor#{@id}", =>
+      @updateRenderedLines()
+      @adjustWidthOfRenderedLines() # TODO: This should happen automatically with CSS
     @focus() if @isFocused
 
     @renderWhenAttached()