swingemu cleanups

Drop unused test wrapper
Enable first run detection
Spelling fix

Remove debug log in form handler

More fixes and cleanups

Make helper the session scope, not handler
Reduce whitespace in formhandler.jsi
Notes on why FormHandler can't be session scope
Ajax still TODO

Work in progress, run on first install disabled.
Language and bw settings should work,
other panes todo.

Github rev e927dca, Aug. 18, 2018.
From: https://github.com/BiglySoftware/BiglyBT-plugin-mlab
License: GPLv2
Work in progress, command line test works,
not hooked up to console yet, awaiting wizard
Build changes to copy in translation files,
and put the javadocs in the right place.

This is a simple shim to allow running the NDT Applet code
with minimal modifications.
From BiglyBT MLab plugin:
Github rev e927dca, Aug. 18, 2018.
From https://github.com/BiglySoftware/BiglyBT-plugin-mlab
This is for Tcpbw100 from NDT 3.6.2b;
not sufficient to compile Tcpbw100 from 3.7.0.2,
changes to follow.
License: GPLv2.

Vuze/Bigly is based on NDT 3.6.2b, so their changes are
manually merged here.
This rev does not compile, requires swingemu package to follow.
Changes:
- Add external start hook to Tcpbw100 from BiglyBT
- Replace all Swing/AWT classes with emulations from BiglyBT
  (included in next checkin)
- Leave classes in edu.internet2.ndt package rather than
  moving to com.vuze.plugins.mlab heirarchy as Vuze/BiglyBT did
- Change IPv6 support setting to use I2P class for detection
- Change in-progress field to an AtomicBoolean
- Change from System to I2P logging
- Change JSON library package
- Comment out some applet code
- Javadoc fixes

Version 3.7.0.2 (May 20, 2015)
From: https://github.com/ndt-project/ndt/releases
Unmodified, as baseline for future merges.
Will not compile, changes adapted from BiglyBT to follow.
Copyright 2003 University of Chicago.
3-clause license with requirement that:
  Modified copies and works based on the Software must carry prominent
  notices stating that you changed specified portions of the Software.
See LICENSE.txt and licenses/LICENSE-NDT.txt

     and 'c9243853a4211ebe92d964f7aa6ba57e624d6ab8'