Strip white-space
Differentiate ZeroMQ from RAET based installations.

Since the requirements are different, "decide" which to require.
Update install documentation to reflect RAET deps
Document the `--salt-transport` option
Also provide a `pip` example on how to pass the global variable
Create gitfs cache dir if does not exist

Should fix test suite
Bugfix to allow cloud provider extend functionality
Merge pull request #13514 from terminalmage/docs

Remove italics
Merge pull request #13505 from s0undt3ch/hotfix/setup-raet

Differentiate ZeroMQ from RAET based installations
Merge pull request #13511 from cachedout/more_gitfs_fix

Create gitfs cache dir if does not exist
Merge pull request #13512 from rallytime/cloud_extends_fix

Bugfix to allow cloud provider extend functionality
Fixed css fonts:
The path was referenced after the css macro, and the css font names have
changed as well. I update all the weights and styles and fixed some
formatting/indenting issues
Merge pull request #13516 from christabor/develop

Fixed css fonts:
Fix undefined variable in iptables
Dont' remove salt level keys with remote cache tracking
Merge pull request #13518 from basepi/iptablesfix

Fix undefined variable in iptables module
Add new docs pages for pillar and ipcidr matchers
Add new pages to targeting toctree
Add external ref target for batching page
Add new targeting pages to docs index

Also, change the index pages to use external refs instead of the :doc:
role.