Make command-panel sticky like tree view is (fit into the "tool panel" scheme)

Esc on the command panel just moves focus back to the editor. Ctrl-0 will move focus back to the panel if it is open but not focused.

src/extensions/command-panel/command-panel.coffee

@@ -38,6 +38,7 @@ class CommandPanel extends View
     @commandInterpreter = new CommandInterpreter()
     @history = []
 
+    @on 'command-panel:unfocus', => @rootView.focus()
     @rootView.on 'command-panel:toggle', => @toggle()
     @rootView.on 'command-panel:execute', => @execute()
     @rootView.on 'command-panel:find-in-file', => @attach("/")
@@ -50,8 +51,12 @@ class CommandPanel extends View
     @miniEditor.on 'move-down', => @navigateForwardInHistory()
 
   toggle: ->
-    if @parent().length then @detach() else @attach()
-    false
+    if @miniEditor.isFocused
+      @detach()
+      @rootView.focus()
+    else
+      @attach() unless @hasParent()
+      @miniEditor.focus()
 
   attach: (text='') ->
     @rootView.append(this)

src/extensions/command-panel/keymap.coffee

@@ -6,7 +6,7 @@ window.keymap.bindKeys '*'
 
 window.keymap.bindKeys '.command-panel .editor input',
   'meta-w': 'command-panel:toggle'
-  escape: 'command-panel:toggle'
+  escape: 'command-panel:unfocus'
   enter: 'command-panel:execute'
 
 window.keymap.bindKeys '.editor',