Initial release/retain impl
Add layout impl of release/retain
Add failing test case from conditional-child-inclusion-140
Release current view when destroying layout
Move release/retain to addChild / removeChild
Spacing
remove destroy children: false option
Update readme to reflect removed options
destroy on release if reference count is zero
Fix failing test case
Remove getReferenceCount
Add checks on _addChild, re-assign to current view if needed
More liberal reference count implmentation
Update tests to not use destroy
Add docs for retain/release
Add overly long-winded comment
Merge pull request #197 from walmartlabs/release-retain-173

Add release and retain