Genotype preservation (intercellular#145)

* HTMLElement.prototype.$snapshot()

* functions should not be tied to phenotype. Nucleus handles them

* Proper HTMLElement.prototype event handler handling

* Lint fix

* handle snapshot for $init

* Lint fix

* Safari bug - Object.hasOwnProperty(HTMLElement.prototype, “style”) is false

supporting CSStyleDeclaration style (intercellular#138)

Merge branch 'plan' into develop

All $ variables should be tracked by default even without an explicit…

… definition