Require jsondiffpatch node module.
Add and link jsondiffpatch library for the browser.
Maintain second collection of snapshots for convenience.
Eliminate magic number.
Require jsondiffpatch.
Create function to get last acknowledged snapshot.
Remove jsondiffpatch because taking another approach.
Make code easier to read.
Create function that delta encodes snapshots.
Delta encode snapshot before sending.
Simplify
Allow get_last_acked_snapshot function to return undefined.
Delta encode snapshot only if an older acked snapshot exists.
Improve comments.
Give more accurate name.
Fix function call.
Fix snapshot acknowledgments being wrongly dropped.
Host zone server on DEV2.
Have API plugin throw caught errors.
Merge branch 'master' into diff-encode-snapshots