Merge branch 'master' of https://github.com/murataka/watchX

* 'master' of https://github.com/murataka/watchX:
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# Conflicts:
#	watchX/src/menu.cpp
#	watchX/src/menu.h

more stable...

improvements and bug fixes. mpu heats because of unknown problem if u…

…pdated...

more stable

stable with a dot in serial.println at setup . funny .

tones library . tested for inram and progmem playing.

Change version to 1.0.3

Small change to prevent clicks between notes

Also:
- Changed version to 1.0.2
- Changed copyright date to 2017
- Cleaned up Doxygen document formatting
- Fixed some spelling errors

Change version to 1.0.1

First full featured release