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/tada68/readme.md

@@ -9,7 +9,7 @@ Hardware Availability: [kbdfans](https://kbdfans.myshopify.com/products/tada68-m
 
 Make example for this keyboard (after setting up your build environment):
 
-    make tada68-default-bin
+    make tada68:default:bin
 
 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.
 
@@ -19,7 +19,7 @@ See [build environment setup](https://docs.qmk.fm/build_environment_setup.html)
 
 1) from the `qmk_firmware\` directory run:
 ```
-$ make tada68-default-flashbin
+$ make tada68:default:flashbin
 ```
 
 2) Connect your keyboard to Windows computer, hit the reset button on the TADA, the lights will start flashing.