Merge pull request #43 from nortikin/master

sync
Merge pull request #44 from nortikin/master

sync
Update persitant update function and animation fixes.
Start of layer system.
UI update

change of name to layout manager
Many layouts
Show many layouts. State select in N-menu
Updated node_Viewer and node_Tools
Merge branch 'master' of https://github.com/ly29/sverchok

Conflicts:
	node_Tools.py
ui fix
Bugfix

From - to +
Merge pull request #45 from nortikin/master

sync
updates to make change instant
Hide old update code
Merge branch 'master' of https://github.com/ly29/sverchok

Conflicts:
	node_Tools.py
-print
update handler error handling
Updated UI, cleaner node_Viewer
Merge pull request #112 from ly29/master

Animation update.
Layout manager