* Preliminary commit for Octagon V1 support
This is essentially a cp -R v2 v1 with a few things changed to
get it to compile and build.
* The Octagon V1 supports up to 84 keys as opposed to the V2 which
supports up to 86. This commit changes the keymap to match it.
* Temporary default keymap just to get things to compile
* Update readme file
* Fix switch matrix
* Fix underglow lighting option
* Fix keymap to take care of shifted columns
* Fix keymap formatting
* Remove un-needed files left over from rasmusx
* Make Octagon V1 have its own keymap directory with default keymap
* Make Octagon V2 have its own keymap directory with default keymap
* Cleanups and readme edits
