* Added csc027 user folder and keymaps for both keebio/iris and planck
* Moved the git_macros variable out of the process_record_user function.
* Updated the usb_led code to use the new led_update_user instead of the led_set_user function.
* Update users/csc027/defines.h
Removed the "_______" macro definition in defines.h, since it has already been defined in QMK.
* Update users/csc027/defines.h
Removed the "XXXXXXX" macro definition in defines.h, since it has already been defined in QMK.
* Update users/csc027/csc027.c
Simplified several keyboard macro definitions in the csc027.c file by switching from SS_LCTRL to SS_LCTL in their definitions.
* Condensed both the planck and iris rules files to the minimal set of declarations.