giza: simplify link generation code
fixing single html
Modify MMS Onboarding style to only offer On-Prem

Signed-off-by: Sam Kleinman <samk@10gen.com>
giza: fixing single html builder
DOCS-3845: Tweak guilabel style slightly

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-4019: Add navigational hints
giza: adding publish predicate to runtime config
Introduce 'giza http' command.

Resources are now broken when accessed via file:// as part of the protocol
agnosticism changes. You must now run 'giza http' and view the generated documentation
at localhost:8090 or whatever port you choose.