add to lazy update

just pass

update = lazy: true
removed comment

link functions always have the same args,
this is noise
remove noisy parens
Merge pull request #848 from aesnyder/mine/as/performance-tweaks

add lazyUpdate to map
Merge pull request #855 from aesnyder/aes/cleanup

remove noisy parens
remove namespace
retab
remove redundant models length check
[imarker] make equality check optional on watch
allow models to be watched by reference only
remove nosiy comment