Add missing  getter to RawEntity
Make entity data observable
Make .local observable
Parse Json into Observable data structures.
Tests for jsonParse.
Merge branch 'json-parsing' into no-data-copying
Avoid copying data when deserializing from json.
Add wrapMap to prevent fromMap users from breaking.
Add test for wrapMap.
Merge pull request #89 from yjbanov/observable-entities

Observable entities
Merge remote-tracking branch 'arick/no-data-copying' into no-data-copying-review
Fix json and observe imports in templates
Add test for list observability
Merge pull request #92 from yjbanov/no-data-copying-review

Merge Alex's reduced data copying commits + some import fixes and a test