add cron & preference saving

Add a cron module
can save prefereences into the eeprom
some minor fixes,
working on demo for a timer/clock (uptime)
resolve conflicts
resolve conflicts

clean up different versions
ignore xcode files
Remove Compiler Warnings

its time to remove all warnings.
Timer improvements

Timer will now startup imadatly.
The uptime still counts over 60 after minute 1. The test don't show
this, the uC do.
fix uptine timer hh:mm:ss

The timer is now copyed. in gcc this works, hope that resolve the
porblem in avr-gcc tat the timer goes greater than second:59
Documentation of functions

Comment the functionality of each function
formatting

line endings more nicer
add feature, not working yet and refatorings

add timerdemo.
cleanup timer (still not working)
add timeout to cron
FIX uptime and hello

Cron shows the currect Uptime now,
Hello is refactored to use then new claerscreen methology
Finalize timeoutTest

Press the green button to count u the diget, wait 3 sec to step to the
next character
Merge branch 'master' into dev

Conflicts:
	.gitignore