Add interim dev/run script

This script assists in booting a basic cluster for development purposes. Further
refinement of the commandline interface will follow.
Remove old debug line
Ignore files generated by dev/run
Add license headers to dev scripts
Remove debug logging from dev/run
Update couchjs and main.js paths in dev/run
Make the process list a global in dev/run
Remove reliance on the curl command in dev/run
Allow dev/run subcommands to execute commands

This is for things like allowing tests to reboot nodes. This is
extremely rudimentary currently.
Update the _temp_view handler.
Initial implementation of a new JS test runner

This fits into the dev/run format for allowing tests to run with an
available cluster. For now the JS tests only run against the backdoor
port.
Add a dev/remsh command for connecting to nodes

This allows users to connect to development nodes started using the
dev/run command.
Update prefix path for dev/run configs
Fix HTTP handler for view cleanup requests
Use the correct function name to reboot nodes