big changes to how Pomander is booted. Not dependent on calling the
phake bin stub anymore.

added help and version options. closes #23
yellow help labels
breaking up tasks into topical scripts
added task to install composer vendors. closes #26
closes #22. Basic handlers for SIGINT and SIGTERM. Will rollback is
able to.
surround db name with ticks so it can handle hyphens
pass the environment into plugin::load() so it can be midified.
unknown cli options will print the help message before exiting.
added an update task for composer
fixed an issue where default task wouldn't run
introduced method option, doesn't do anything yet.
Merge pull request #28 from tamagokun/cli_improvements

Cli improvements