added init script
Merge pull request #85 from splitbrain/initscript

added init script
added footer

makes it faster, to refer to the OctoPrint site when problems occur.
add tooltips to file controls
add "Load and Print" button which automatically starts printing when a gcode file is done loading.

Solves foosel/OctoPrint#91
Merge remote-tracking branch 'daprice/load-and-print' into devel
Removed a couple of redundancies for loadAndPrint button, actions are now disabled if they don't make sense
Merge remote-tracking branch 'splitbrain/footer' into devel
Changed color and font-size of footer
Forgot to commit Font Awesome
Update README.md
Added homepage to footer