updated the settings doc to include the latest settings in the list.
issue #5 shortcut for jump to line number cmd + P + :123 added
commented out a bunch of outdated stuff that is no longer in settings or experiments

what should be done with the content from this, i dont want to delete it, it might be needed elsewhere
removed experiments, force accelerated compositing, show heap snapshot thing.
Merge pull request #16 from jaredwilli/master

Some small updates to settings and shortcuts