Tidy up initial loading of some files from usb

src/freedombone-app-xmpp

             check_certificates xmpp
         fi
     fi
-    chown prosody:prosody /etc/ssl/private/xmpp.key
-    chown prosody:prosody /etc/ssl/certs/xmpp.*
+    if [ -f /etc/ssl/private/xmpp.key ]; then
+        chown prosody:prosody /etc/ssl/private/xmpp.key
+    fi
+    if [ -f /etc/ssl/certs/xmpp.crt ]; then
+        chown prosody:prosody /etc/ssl/certs/xmpp.crt
+    fi
+    if [ -f /etc/ssl/certs/xmpp.dhparam ]; then
+        chown prosody:prosody /etc/ssl/certs/xmpp.dhparam
+    fi
+    if [ -f /etc/ssl/private/${DEFAULT_DOMAIN_NAME}.key ]; then
+        chown prosody:prosody /etc/ssl/private/${DEFAULT_DOMAIN_NAME}.key
+    fi
+    if [ -f /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.pem ]; then
+        chown prosody:prosody /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.pem
+    fi
+    if [ -f /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.dhparam ]; then
+        chown prosody:prosody /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.dhparam
+    fi
+
     cp -a /etc/prosody/conf.avail/example.com.cfg.lua /etc/prosody/conf.avail/xmpp.cfg.lua
 
     if [[ $(cert_exists ${DEFAULT_DOMAIN_NAME} pem) == "1" ]]; then

src/freedombone-base-email

 # optionally specify your public key ID
 MY_GPG_PUBLIC_KEY_ID=
 
-# If you have existing mail within a Maildir
-# you can specify the directory here and the files
-# will be imported
-IMPORT_MAILDIR=
-
 EXIM_ONION_REPO="https://github.com/petterreinholdtsen/exim4-smtorp"
 
 # automatic archiving of email
         fi
         return
     fi
-    if [ $IMPORT_MAILDIR ]; then
-        if [ -d $IMPORT_MAILDIR ]; then
-            echo $'Transfering email files'
-            cp -r $IMPORT_MAILDIR /home/$MY_USERNAME
-            chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/Maildir
-        else
-            echo $"Email import directory $IMPORT_MAILDIR not found"
-            exit 9
-        fi
-    fi
     mark_completed $FUNCNAME
     if [[ $SYSTEM_TYPE == "mail"* ]]; then
         function_check backup_to_friends_servers

src/freedombone-utils-setup

     if [[ $(is_completed $FUNCNAME) == "1" ]]; then
         return
     fi
+    detect_usb_drive
     if [ -b $USB_DRIVE ]; then
         if [ ! -d $USB_MOUNT ]; then
             echo $'Mounting USB drive'
             mkdir $USB_MOUNT
             mount $USB_DRIVE $USB_MOUNT
         fi
-        if [ -d $USB_MOUNT/Maildir ]; then
-            echo $'Maildir found on USB drive'
-            IMPORT_MAILDIR=$USB_MOUNT/Maildir
-        fi
         if [ -d $USB_MOUNT/.gnupg ]; then
             echo $'Importing GPG keyring'
             cp -r $USB_MOUNT/.gnupg /home/$MY_USERNAME
             fi
         fi
 
-        if [ -f $USB_MOUNT/.procmailrc ]; then
-            echo $'Importing procmail settings'
-            cp $USB_MOUNT/.procmailrc /home/$MY_USERNAME
-            chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.procmailrc
-        fi
-
         if [ -f $USB_MOUNT/private_key.gpg ]; then
             echo $'GPG private key found on USB drive'
             MY_GPG_PRIVATE_KEY=$USB_MOUNT/private_key.gpg
             MY_GPG_PUBLIC_KEY=$USB_MOUNT/public_key.gpg
         fi
 
-        if [ -d $USB_MOUNT/prosody ]; then
-            if [ ! -d $XMPP_DIRECTORY ]; then
-                mkdir $XMPP_DIRECTORY
-            fi
-            cp -r $USB_MOUNT/prosody/* $XMPP_DIRECTORY
-            chown -R prosody:prosody $XMPP_DIRECTORY
-        fi
         if [ -d $USB_MOUNT/.ssh ]; then
             echo $'Importing ssh keys'
             cp -r $USB_MOUNT/.ssh /home/$MY_USERNAME