Kapitan

* Kapitan now requires python 3.6
* Fixed dockerfile to ensure delegated volumes (47)
* Fixed missing target compiled directory
* Target compilation error improvements (62)
* gnupg updated to 0.4.2
* Inventory target pattern command parsing improvements

* Added --pattern feature to inventory cli (https://github.com/deepmind/kapitan/issues/41)
* now using python3 lru_cache instead of memoize
* fixed searchvar (https://github.com/deepmind/kapitan/issues/40)

* moved to python 3 (python 2 should still work but no longer supported)
* updated to jsonnet v0.10.0
* new yaml jinja2 filter
* target secrets support (https://github.com/deepmind/kapitan/pull/36)
* more tests

* Supports compiling specific targets
* Breaking change: non inventory target files are gone

* Supports reading targets from the inventory as well as target files
* Breaking change: the keys in compile items changed, see https://github.com/deepmind/kapitan/pull/22

* checks for gpg key expiry
* allow base64 encoding content for secrets
* support for revealing files in directories