For heroku
Added blur on enter on form elements
Fixed positioning of promoters and changed message on scale hover
Fixed positioning of click to drag
ready for heroku
adding requirements.txt
newrelic
newrelic Procfile
new_relic still
Draws sigma lines in experimental region
slight fix of dragging rectangle height
Performance tununing of AJAX
More performance optimizing
More performance optimizing
Small changes to blockarrow message. Tried to improve performance by blocking while drawing but don't think it helps.
bg color changed
Dynamic resizing of scrollbar size
Cleaning up a bit