Update to version 1.0 stable

MAJOR UPDATE:
Ftp bug fixed;
Add "Info" page;
Add "Licence" page (both accesible by the menu);

MINOR FIXES:
app name changed to "RainDroid";
update package name to "it.polito.nexa.Arduindow";
Merge pull request #15 from baf93/master

Update to version 1.0 stable