update version to 3.5.3, announce end to guaranteed updates and maintenance

low risk fixes from PR 345

oops, git changed the line endings. fixing

Update package-lock.json

propagate the change back to the src/ too (oops)

testing a version of webgazer with offline models

update version number

update packages for v3.4.0

Merge pull request #361 from l-ouis/datawindow-willreadfrequently

reduce datawindow size 700->50, willReadFrequently to true on canvas contexts

Merge pull request #346 from thandal/patch-1

note suspicious lines of code that probably don't do what's intended

remove wrong and unused H matrix definition

package updates

Fix getEyeFeats