message: Add warning message if python libraries aren't loaded (mostly for devs)
diff: @@ -26,6 +26,8 @@ public partial class PythonShell : DockContent
  ScintillaNET.Scintilla scriptEditor = null;
  + private bool m_LibsLoaded = false;
  +
  public PythonShell(Core core)
  {
  InitializeComponent();
  @@ -116,7 +118,10 @@ private ScriptEngine NewEngine()
  string libspath = Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "pythonlibs.zip");
  if (File.Exists(libspath))
  + {
  + m_LibsLoaded = true;
  searches.Add(libspath);
  + }
  engine.SetSearchPaths(searches);
  @@ -310,6 +315,14 @@ private void clearCmd_Click(object sender, EventArgs e)
  "The 'renderdoc' module is available, as the matching namespace in C#.{1}",
  IronPython.CurrentVersion.AssemblyFileVersion, Environment.NewLine);
  + if (!m_LibsLoaded)
  + {
  + interactiveOutput.Text = String.Format("!!! pythonlibs.zip not found! Check installation !!!{0}" +
  + "!!! If building locally, ensure you have compiled python libraries and copied to binary folder: !!!{0}" +
  + "cd renderdocui/3rdparty/ironpython/ && ./compilelibs.sh /path/to/IronPython-2.7.4{0}{0}{1}",
  + Environment.NewLine, interactiveOutput.Text);
  + }
  +
  shellscope = NewScope(pythonengine);
  }
  