Doc site fixes
Doc site fixes

- made H2O COMMUNITY uppercase in community dropdown.
- removed link to General Docs in header dropdown. (Don’t link to
yourself)

spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,jangorecki/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,h2oai/h2o-dev,jangorecki/h2o-3,mathemage/h2o-3,h2oai/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,mathemage/h2o-3,h2oai/h2o-dev,jangorecki/h2o-3,h2oai/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,spennihana/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev