Add COMMAND_ENABLE build option

Add NO_PRINT and NO_DEBUG config options.

- NO_PRINT: disable print.h API(also disable debug.h)
- NO_DEBUG: disable debug.h API

Enable Boot magick on hhkb

Change sleep led step table to get smooth

Add desription about breathing sleep LED

Merge branch 'remote_wakeup'

Add breathing sleep LED during USB suspend

Add power down mode sleep and watchdog interrupt

Add intial code of RemoteWakeUp

Merge branch 'debouncing_fix'

Fix debouncing and add legacy keymap support

Fix Locking CapsLock support in ADB converter

Add description of Locking CapsLock in README

Merge branch 'locking_caps'

Add mechanical locking switch support for CapsLock

Add description of Boot Magic in README

Merge branch 'eeprom_config'

Add build option BOOTMAGIC_ENABLE

Fix debug parameter setting in eeconfig

Fix legacy keymap support

- need to define USE_LEGACY_KEYMAP to use legacy keymap