Update spanish translations.
Add quiet hours feature
fixed typo in italian translation

s/gallaria/galleria/
avoid npe on weird platform bugs
Merge pull request #781 from drizzt/patch-1

fixed typo in italian translation
Merge pull request #775 from kruks23/translation1

Update spanish translations.
fixed history deletion. fixed #780
Merge branch 'quiet-hours' of https://github.com/SamWhited/Conversations into SamWhited-quiet-hours
Make silent notification when quiet hours are on

Notify, just don't play a sound or vibrate
Also make the Java annoyingly verbose... I can't help myself... ahh!
migrated more jid parsing to use getAttributeAsJid. added error logging
Merge branch 'quiet-hours' of https://github.com/SamWhited/Conversations into SamWhited-quiet-hours
fixed crashing on unparsed jids