Use new update_value_direct javascript helper

This enables us to drop the code that we duplicated in
update_value_raw_string().
Merge pull request #74 from vuntz/use-update_value_direct

Use new update_value_direct javascript helper
Use keystone protocol instead of hard-coded http when creating networks
Merge pull request #75 from vuntz/keystone-ssl

Use keystone protocol instead of hard-coded http when creating networks
Create quantum resources using tenant service and quantum user.

Floating network should not be assigned to virtual machines, but when
created with admin tenant credentials all admin instances are also assigned
to this network.
Merge pull request #79 from tpaszkowski/pull-req-fix-network-creation

Create quantum resources using tenant service and quantum user.
Pass --insecure to quantum command if keystone certificate is not secure
Add SSL support
Use insecure flag for certificate
Fail early if certificate files are missing
Merge pull request #77 from vuntz/ssl-support

https://github.com/crowbar/barclamp-quantum/pull/77

Merged by devtool for cloudsleuth
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