feedback and transition on tmsim
filesystem improvements, fade in buttons, tmsim information display work in progress
drag and drop copy framework, highlght line tmsim
move implemented, line highlighting
Added a shared CSS file. With a grey background.
Clean up unused buttons.
input button, hide folders, relativeTo mostly working
Added a split pane with resizable panes.
BSim now uses new split pane widget.
Deleted very old projcheckoff.js file.
Avoid bouncing the UI on OS X/iOS.
Rearranged BSim a bit.
Merge branch 'look-and-feel'
White backgrounds.
added text inputs to area in folders, beta relative filepath, tmsim all tests and fixed error of multiple actions
i broke git
fixing my master branch, please wait
fixing my master branch
filesystem relative file, scrollbar to folders, clean up
Merge branch 'master' of https://github.com/6004x/6.004x into jsim