update speed 50%
Merge branch 'master' of https://github.com/yunshansimon/Peb_Messenger_Pro

Conflicts:
	build/Peb_Messenger_Pro.pbw
	build/app_resources.pbpack
	build/app_resources.pbpack.manifest
	build/config.log
	build/pebble-app.bin
	build/pebble-app.elf
	build/pebble-app.map
	build/pebble-app.raw.bin
	build/src/Peb_Messenger_Pro.c.24.o