documentation
adding zachs gems to the list
Explicitly requires bundler to fix #1

`scripts/web.rb` and `scripts/workers.rb` both use `Bundler` without requiring it. This works in the context of the rails stack (and in `bundler exec`) but not with a stand-along call to `foreman`.
Merge pull request #2 from Graphicly/foreman_fix

Explicitly requires bundler to fix #1
cleanup the web and workers scripts to use shebang and handle interrupts
Merge branch 'master' of github.com:Graphicly/greenhouse

Conflicts:
	scripts/web.rb
	scripts/workers.rb
ignoring Gemfile.lock since we don't actually want to lock anything in greenhouse
started refactoring some of the greenhouse stuff
adding bundler and git to gemfile
tons of initial refactoring
moving scripts/ to bin/ per latest ruby/rails conventions
adding support to Cleaner to check for uncommitted local changes and unpushed local branches
more helper tasks for syncing/updating projects and the database
adding basic update task, clarifying yes/no prompts
new, better launcher script that looks into the app dir for a Procfile
point default task to setup
adding a bundle install to update task
started add project-specific tasks
messaging and stderr redirect for update task
started playing with some modules and classes to mixin to scripts/tasks