1. support mypy check, tox -e mypy or tox -e pep8 2. fix error of mypy check Change-Id: I41b0013d271f3c7d3a28e1ea6dd0b083893d8983
1. Add make clean 2. Specify configuration file used by mypy 3. Add some directories to dockerignore Change-Id: I4f6b0d5ba894214bb0fcff21443f9808f56d595e
Add initial code of skyline-apiserver Change-Id: Ib425960b707237193fd8531fb3989f29282f5b58