generic model load path
fix association query error
mass assignment tests are removed.
comment versioning.
comment controller now passes.
remove unused var
last line fix
comment out test group
comment form fixes
comment edit summary
refactoring the method of extracting owner and object from params
remove event authorization
comment update controller versioning update
comment error update
layout update
refactor page title
edit summary on published comments
move nested comments to comment view
comment versions controller
eager load comment versions