reverse mapping on computation
basic transfer of mapping and depencies between viewmodels
prevent ownership transfer of computation. refactoring
merge
working on reversing reversed mapping
let mapping transfer existing dependents
temporarily comment out failing test
revert reversed computed mapping ownership on component teardown
revert reverse mappings, prevent invalid mappings, directly map to owning viewmodel
minor whitespace formatting and comment changes
Merge pull request #1486 from ractivejs/gh-1414

Reverse mapping on computation in component (#1414)