git doc: don't prepend ssh:// for ssh repo

The github ssh example has ssh:// at the beginning of the url. However, this doesn't
work. It does work if the ssh:// is removed.
use state parameter in examples
Update django_manage to add database option for migrate

Allow passing the database option to the django_manage module for migrations. This is usefull in situations where multiple databases are used by a django application.
vpc_zone_identifier should be a list as per the docs
vastly simplified systemd detection, made enable/disable errors clearer
both of which allows us to remove 'service name detection' as if systemd
is init we still use it to handle initscripts.
Merge pull request #458 from bcoca/service_simplified

vastly simplified systemd detection, made enable/disable errors clearer
Preventing Nonetype is not iterable error when no tags are passed in for a newly created ASG
Merge pull request #450 from dlbewley/devel

use state parameter in examples
Merge pull request #453 from pitabwire/patch-1

Update django_manage to add database option for migrate
Merge pull request #457 from bwhaley/devel

vpc_zone_identifier should be a list as per the docs
Merge pull request #466 from marcus-ahle/devel

Preventing Nonetype is not iterable error when no tags are set for new ASG
Merge pull request #404 from lorin/git-ssh

git doc: don't prepend ssh:// for ssh repo
Revert git module doc update because it appears ssh:// works and bare ssh repo does not

This reverts commit e715909831e27cbfed2ae86e886bf154cefd7b6c.