Update Makefile and CHANGELOG for v1.3.1

Fix rough edges in documentation presentation

Update code references to new documentation URL's

* Remove all minikube dependencies in driver code

* removing all default config

* okay we need some defaults

* code comments

* hyperkit builds now

* sleep for an appropriate amount of time

* remove constant in favor of string

* try goproxy for travis

* try goproxy for travis

* try goproxy for travis

* let's not try goproxy for now

* let's try goproxy once again

* maybe use the correct url for the proxy

* fix go mod

 Add caching & env var docs, redirect old pages to Hugo

* Translating help text

* explicity set usage template so we can localize it

* cleaning up extract and translation files

* Add extraction for flags help text

* some comments for extract

* refactor to account for new behavior

* Make usage template translations more palatable.

* remove commented code

* fix go mod

* pin to proper version in go.mod

* translate command grouping headers

Upgrade cheggaaa/pb from v1.0.27 to v3.0.1

Remove obsolete MAINTAINERS file

Minor improvements to doc styling

[3/3] Add remaining tasks & tutorials, add driver docs

[2/3] Copy documentation into Hugo

* Adding GOPROXY to Travis and fixing libmachine go mod entry

* add comment for weird version

Restore --disable-driver-mounts flag

* Fix prepareNone and add integration test for it

* add test file

* only compile none test on linux

* build tags are confusing

* build tags are quite confusing

* build tags are very confusing