Working Slidder Update v0.1
Working Slidder Update v0.2
Bug fixes
Revert "tab change improvements"

This reverts commit 3fe406ed3c7b9298c80a4cb00ec605bfa3f885fd.
Revert "Revert "tab change improvements""

This reverts commit 4ed79720cee61194beb2f9718b9825719c1abd2e.
Working Slidder Update v0.3, Restoring old graph
Working Slidder Update v0.3,  removed unused imports
Coached mode - disable create node button if vertices in graph already
fixing edges in calc view
issue 1 in Kurt's email - edge improvements on calc panel
Issue 3 in Kurt's email - disable create node button on calc panel on check
Tab change improvements for coached.  Fixes check/demo availability issues
Merge branch 'rptiwari' of https://github.com/rptiwari/LaitsV3.git into joinerr
Merge branch 'master' into joinerr
Changes from code review:  comments and minor change.
Merge branch 'joinerr' of https://github.com/rptiwari/LaitsV3.git into joinerr
Fixed bugs discovered this morning in Calc panel
New Accumulator text in Calc panel
Fixed bug where checking out of order node in newnodedialog in coached mode would still create a vertex
Stops nodes made in NewNodeDialog in Author mode from being deleted upon close