Make arguments redo, subproject elimination (#1784)

* redo make args to use colons, better folder structuring system [skip ci]

* don't put spaces after statements - hard lessons in makefile development

* fix-up some other rules.mk

* give travis a chance

* reset KEYMAPS variable

* start converting keyboards to new system

* try making all with travis

* redo make args to use colons, better folder structuring system [skip ci]

* don't put spaces after statements - hard lessons in makefile development

* fix-up some other rules.mk

* give travis a chance

* reset KEYMAPS variable

* start converting keyboards to new system

* try making all with travis

* start to update readmes and keyboards

* look in keyboard directories for board.mk

* update visualizer rules

* fix up some other keyboards/keymaps

* fix arm board ld includes

* fix board rules

* fix up remaining keyboards

* reset layout variable

* reset keyboard_layouts

* fix remainging keymaps/boards

* update readmes, docs

* add note to makefile error

* update readmes

* remove planck keymap warnings

* update references and docs

* test out tarvis build stages

* don't use stages for now

* don't use stages for now

keyboards/uk78/keymaps/rask/README.md

@@ -7,4 +7,4 @@
 Plug the keyboard in and press the reset button, then in the main
 `qmk_firmware` directory run
 
-    $ sudo make uk78-rask-dfu
+    $ sudo make uk78:rask:dfu

keyboards/uk78/readme.md

@@ -11,6 +11,6 @@ A fully customizable 60%+numpad keyboard.
 
 Make example for this keyboard (after setting up your build environment):
 
-    make uk78-default
+    make uk78:default
 
 See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.