Lastest changes in Czech translate

Don't try to enable unused auto fans

Enclose all #error strings by double-quotes

G29 missing FIX_MOUNTED_PROBE condition

Updated pt_PT language pack

Warn user about useless of individual axis homing and DELTA kinematics

Update Japanese translation

Addressing #3743

Removes the DISABLE from HOST_KEEPALIVE

Idle during long arcs

Idle during long arcs
to prevent from watchdog resets during high segmented fast arcs.

Saves about 2669 bytes when deactivated. (About 1% for a AT2560, about __4%__ for a AT644!)

Add a forgotten condition

・Add new translation

Individual Axis Homing LCD menu items

Follow-up the PR #3719(Harmonize LCD comment section)

It update forgotten Configuration_DUAL.h.

Print an error on bad i2c request

Add REVERSE_ENCODER_DIRECTION option

Reference: https://github.com/MarlinFirmware/Marlin/pull/3713#issuecomment-218333678

Minor #warning fix for PrintCounter

Harmonize LCD comment section

Mention Z_PROBE_ALLEN_KEY in probe sanity checks

Use code_value_long for potentially large values

Addressing #3711

Update Japanese translation, etc

・Arrange the strings in unified order
・Remove "#ifdef DELTA_CALIBRATION_MENU" directive
・Adjust spacing

・Add new translation
・Add translation for 16 width ASCII LCD
・Change translation
・Revert translation from Japanese to English
・Fix typo