add tweak-mode and java-osc files from TweakMode repository as it is

from TweakMode version 1.0.1
reference commit id:
https://github.com/galsasson/TweakMode
commit id - daf3c95006f70bb718897f2ae015166d977d0c07
integrate tweak-mode into experimental mode

in this commit tweakmode is working inside experimental mode
and is activated by default when running a sketch.
add "Tweak Enabled" toggle to PDE X menu.

remove redundant tweak-mode files
fix bug where color selector does not show the true current color
add 'Tweak Enabled' toggle
bring back trailing whitespaces
Merge pull request #2624 from galsasson/newtdev

TweakMode integrated into PDE X