Refactor k8s Managers

Add interface containing deploy() and delete().

Make the k8s managers more robust to deployment errors by adding exception handling(in methods above). Currently the implementation will break if one deployment goes wrong.

added Master Project 20/21 Theodolite Kotlin To Do labels

added In Progress label and removed To Do label

mentioned in merge request !85 (merged)

changed the description

Closed in favor of !85 (merged) and #167 (closed)

closed

removed In Progress label