Fix the section name in CONTRIBUTING.rst

The name of the section "If you're developer, start here"
has changed in the wiki, now is "If you're a developer".
This commit updates it to correctly refer to the
proper section.

Change-Id: Ifb6d65eade55cdb7fbe723e75d12a44b9dd954b4
Show physical_resource_id in resource-list

Show the physical_resource_id in resource-list,
it will be more intuitive.

Change-Id: I32908dd771ee916a6fe70f6decdf23c61b7d1597
Closes-Bug: #1331954
Merge "Show physical_resource_id in resource-list"
Deprecate misleading cli command 'resource-template'

Current 'resource-template' command is misleading as it's
providing template snippet for the 'resource-type' and not the
'resource'. This has been deprecated and a new command
'resource-type-template' added.

ex.
$heat resource-type-template -F json OS::Nova::KeyPair

Change-Id: I373e2fa3c7891d2488704975ffdfb6d9afa5059a
Closes-Bug: #1336306