Merge pull request #2 from mtibben/master

Adds arguments for check, build and run commands for the hot-reloading
Clarify what's going on when rebuilding
If the webapp crashes, don't keep trying to serve from it
Pre-heat the delegate server to improve first request responsiveness
Don't crash if the web process can't be built on startup
Include placeholders in format strings
Remove unreachable code
Merge pull request #3 from DanielHeath/govet_compliance

Govet compliance
Add yml dotfile config