Octoploy

Fix
- Include namespace in hashed meta-data for state

Features
- State tracking: Octoploy now keeps track of all deployed objects and knows when a object needs to be deleted on the k8s side
- Allow deployment of unencrypted secrets using cli argument

Fixes
- Value loader not correctly working
- Objects with the same `Kind` but different `api` not handled correctly

Added
- Support for secret encryption

Changed
- Renamed `DC_NAME` to `APP_NAME`
- Renamed `PROJECT` to `NAMESPACE`

- fix: file loader may not work correctly when included as template

- fix: long strings cause invalid yml