Merge pull request #13 from urcadox/master

Missing execution rights on some scripts
Add a script for DNS requests
verify if the user entered something in echo
send an error if netifaces is not installed
show some process info instead of killing the process right away
Get a list of log files from /var/log
add more DNS records
add PTR record
handle TXT records with double quotes
remove extensions from some script names
generate dynamically the list of scripts
fix a weird JSON parsing bug
display more information about the network interfaces
fix the paths for the new index script
Add a new script to manage cron entries
Fix a script path
Release the krak^WAndroid version!
Missing closing quote

Fix #17
return to the hardcoded index for now
add a small script to enter a command and see its result