Deis Router v2.9.0

v2.8.1 -> v2.9.0

Features

• 4ca3a74 router: make default app configurable
• 5dba76c router: make server_token flag configurable
• cf87e27 Makefile: set docker build flags via environment variable

Fixes

• 96f0c61 charts: remove deployment and service annotations

Maintenance

• dfb2cae Dockerfile: update deis/base to v0.3.6