Delete deprecated class

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Copyright notices

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Initial Travis configuration

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Merge branch 'master' of github.com:kontalk/tigase-extension