scheduler: start instrumentation
scheduler: more instrumentation
scheduler: refactor signal strings
Provide pre-commit and prepare-commit-msg hooks
Merge pull request #16 from soundcloud/git-hooks

Provide pre-commit and prepare-commit-msg hooks
Fix typo in misc/install-hooks.sh
agent: /containers emits server-sent events

This is the implementation of #14 for harpoon-agent.
WIP