Update README.md
Does not run pulling again if image already exists.
Added code to check if web port is disabled.
Displays host url and ports properly in app settings.
Fixed crash when deleting old images.
Fixed crash when restarting app.
Merge branch 'master' of github.com:kitematic/kitematic

Conflicts:
	README.md
	meteor/server/docker.js
Fixing sync problems
Fixing readme uninstall instructions
fixing installer
Fixing installer & mongodb startup bug.
JSHint.
Fixed bug with loading default containers.
Added sub message for routing step during setup.
Fixing startup bug if boot2docker-vm already exists.
Update README.md
Update README.md
Update README.md
Fixing setup for boot2docker CLI
Fixing typo