Merge pull request #42 from ajs124/master

add systemd service and fix typo in upstart
kill process launched if hand is not given back before timeout. Fix issue #44.
Update VERSION number
Merge branch 'master' of https://github.com/XavierBerger/RPi-Monitor
Update PACKAGING.md
Add percentage of ink usage
Upgrade jquery version to 2.1.1
Systemd scrpt is available in repository
Update README.md
Add label to reflect status of deamons and more...
Update bootstrap to v2.3.2
Update PACKAGING.md
Move data generated by RPi-Monitor to /var/lib/rpimonitor
Fix datastore directory creation bug
Rename template file
Update startup script to match with new datastore
Change location of data storage to /var/lib/rpimonitor/
Fix external web server bug
Update services.conf example to monitor nginix ports
Fix empty.rrd regeneration bug due to datastore change