Switched to inittab from cron.d
This uses inittab instead of cron.d
I included brewpi.init with this commit just to make sure its there, but updateCron.sh will re-write it everytime it is run.

Also added the +x perms to the .sh files as a matter of good practice and ease of use.
Merge branch 'develop' of https://github.com/BrewPi/brewpi-script into develop
Merge branch 'develop' of https://github.com/BrewPi/brewpi-script into develop
Move serial setup to brewpiVersion.py
This patch should be merged in conjunction with the Arduino version checking patch to -tools.

This patch moves the setup of the 'ser' and 'conn' variables to a method within brewpiVersion.py so that it can be used by other files as well- specifically for this case, the updater.py so that it can check the version of the hex file on the Arduino.