Replace http with https for doc links in cookbook-openstack-compute

1) Update doc links according to OpenStack document migration
2) Use https instead of http for docs links

Change-Id: I498646c65f25e9f205f1ba58426174a961caeb55

CONTRIBUTING.md

@@ -7,7 +7,7 @@ How To Get Started
 If you would like to contribute to the development of OpenStack Chef Cookbooks,
 you must follow the steps in this page:
 
-   http://docs.openstack.org/infra/manual/developers.html
+   https://docs.openstack.org/infra/manual/developers.html
 
 Gerrit Workflow
 ---------------
@@ -16,7 +16,7 @@ Once those steps have been completed, changes to OpenStack
 should be submitted for review via the Gerrit tool, following
 the workflow documented at:
 
-   http://docs.openstack.org/infra/manual/developers.html#development-workflow
+   https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 Pull requests submitted through GitHub will be ignored.
 

README.md

@@ -1,7 +1,7 @@
 Team and repository tags
 ========================
 
-[![Team and repository tags](http://governance.openstack.org/badges/cookbook-openstack-compute.svg)](http://governance.openstack.org/reference/tags/index.html)
+[![Team and repository tags](https://governance.openstack.org/badges/cookbook-openstack-compute.svg)](https://governance.openstack.org/reference/tags/index.html)
 
 <!-- Change things from this point on -->
 
@@ -16,7 +16,7 @@ https://github.com/openstack/openstack-chef-repo contains documentation for usin
 this cookbook in the context of a full OpenStack deployment. Nova is currently
 installed from packages.
 
-http://docs.openstack.org/mitaka/config-reference/compute.html
+https://docs.openstack.org/mitaka/config-reference/compute.html
 
 Requirements
 ============