Changes to move out any AR Objects out of session/@edit hash

- Made changes to automate explorer code to move out AR Objects out of @edit hash and set the keys in @edit as array of hashes.
- Changed controller/views to use get/set them as hash values.
Addressed rubocop comments
Merge pull request #213 from h-kataria/ae_move_ARObjects_out_of_session

Changes to move out any AR Objects out of session/@edit hash