Move to debian packaged certbot

src/freedombone-addcert

 DH_KEYLENGTH=2048
 INSTALL_DIR=/root/build
 LETSENCRYPT_SERVER='https://acme-v01.api.letsencrypt.org/directory'
-LETSENCRYPT_REPO="https://github.com/certbot/certbot"
 MY_EMAIL_ADDRESS=
 FRIENDS_MIRRORS_SERVER=
 FRIENDS_MIRRORS_PASSWORD=
         fi
     fi
 
-    if [ ! -d $INSTALL_DIR ]; then
-        mkdir -p $INSTALL_DIR
-    fi
-    cd $INSTALL_DIR
-
-    # obtain the repo
-    if [ ! -d ${INSTALL_DIR}/letsencrypt ]; then
-        git_clone $LETSENCRYPT_REPO ${INSTALL_DIR}/letsencrypt
-        if [ ! -d ${INSTALL_DIR}/letsencrypt ]; then
-            exit 76283
+    if [ ! -f /usr/bin/certbot ]; then
+        apt-get -y install certbot -t jessie-backports
+        if [ ! -f /usr/bin/certbot ]; then
+            echo $'LetsEncrypt certbot failed to install'
+            exit 762830
         fi
-    else
-        cd ${INSTALL_DIR}/letsencrypt
-        git_pull $LETSENCRYPT_REPO
     fi
 
     # stop the web server
     systemctl stop nginx
 
-    cd ${INSTALL_DIR}/letsencrypt
-    ./letsencrypt-auto certonly --server $LETSENCRYPT_SERVER --standalone -d $LETSENCRYPT_HOSTNAME --renew-by-default --agree-tos --email $MY_EMAIL_ADDRESS
+    certbot certonly --server $LETSENCRYPT_SERVER --standalone -d $LETSENCRYPT_HOSTNAME --renew-by-default --agree-tos --email $MY_EMAIL_ADDRESS
     if [ ! "$?" = "0" ]; then
         echo $"Failed to install letsencrypt for domain $LETSENCRYPT_HOSTNAME"
         systemctl start nginx

src/freedombone-utils-web

 # default search engine for command line browser
 DEFAULT_SEARCH='https://searx.laquadrature.net'
 
-# This isn't used here, but is included for mirrors creation purposes
-LETSENCRYPT_REPO="https://github.com/letsencrypt/letsencrypt"
-
 # Whether Let's Encrypt is enabled for all sites
 LETSENCRYPT_ENABLED="no"
 LETSENCRYPT_SERVER='https://acme-v01.api.letsencrypt.org/directory'