tahoelafs tor handler

src/freedombone-app-tahoelafs

     systemctl disable tahoelafs-client
     rm /etc/systemd/system/tahoelafs-client.service
 
+    pip uninstall tahoe-lafs[tor]
     apt-get -yq remove tahoe-lafs
 
     if [ -d /var/lib/tahoelafs ]; then
     apt-get -yq install build-essential python-pip python-dev libffi-dev libssl-dev
     apt-get -yq install libcrypto++-dev python-pycryptopp python-cffi python-virtualenv
     apt-get -yq install tahoe-lafs
+    pip install tahoe-lafs[tor]
 
     # create a user
     if [ ! -d $TAHOE_DIR ]; then