ensure there is always a '?' in the URL
togetherJS (re)init./destruct. working

* Update Button
* Style Button
* Only 1 close/ready callback
* Take advantage of 'close' callback
do not print_r url on login!
add "expanded view" for interactive plugins
improve detection of active plugin

previous implementation was only relying on visible, why might not be enough anymore if we are in 'expanded mode'
initial viewer
initial viewer
added viewer's render button
using file's key for all aperations
removed render button
volume gui in sync with currently rendered volume
added remGeomModel method
added mode GUI
start working on the tree style and selection
Merge branch 'TIDO' of https://github.com/FNNDSC/chrisreloaded into TIDO

Conflicts:
	plugins/viewer/widget/js/viewer.js
viewer's tree widget user interface
added full screen behaviour
Many parallel wips

* show/hide BBox
* new xtk version
* reslice on/off
* live reslice
* works even if no JSON
* fancy tree destroyed
* better fancy tree object creation
* fix bug in .chris.json creation

TODO: fix leaks!!!
Merge branch 'TIDO' of https://github.com/FNNDSC/chrisreloaded into TIDO

Conflicts:
	plugins/viewer/widget/js/viewer.js
cleaner tag style (square corners)