Fixes for jitsi-meet-tokens Debian package.

debian/jitsi-meet-tokens.postinst

         if [ -f "$PROSODY_HOST_CONFIG" ] ; then
             if grep -q "plugin_paths" "$PROSODY_HOST_CONFIG"; then
                 # enable tokens in prosody host config
-                sed -i "s/--plugin_paths/plugin_paths/g" $PROSODY_HOST_CONFIG
+                sed -i 's/--plugin_paths/plugin_paths/g' $PROSODY_HOST_CONFIG
                 sed -i 's/authentication = "anonymous"/authentication = "token"/g' $PROSODY_HOST_CONFIG
-                sed -i "s/--app_id=example_app_id/app_id=$APP_ID/g" $PROSODY_HOST_CONFIG
-                sed -i "s/--app_secret=example_app_secret/app_secret=$APP_SECRET/g" $PROSODY_HOST_CONFIG
-                sed -i 's/--modules_enabled = { "token_verification" }/modules_enabled = { "token_verification" }/g' $PROSODY_HOST_CONFIG
+                sed -i 's/ --allow_unencrypted_plain_auth/ allow_unencrypted_plain_auth/g' $PROSODY_HOST_CONFIG
+                sed -i "s/ --app_id=example_app_id/ app_id=$APP_ID/g" $PROSODY_HOST_CONFIG
+                sed -i "s/ --app_secret=example_app_secret/ app_secret=$APP_SECRET/g" $PROSODY_HOST_CONFIG
+                sed -i 's/ --modules_enabled = { "token_verification" }/ modules_enabled = { "token_verification" }/g' $PROSODY_HOST_CONFIG
 
             else
                 echo "Failed apply auto-config to $PROSODY_HOST_CONFIG which most likely comes from not supported version of jitsi-meet"

debian/jitsi-meet-tokens.postrm

             APP_SECRET=$RET
 
             # Revert prosody config
-            sed -i "s/plugin_paths/--plugin_paths/g" $PROSODY_HOST_CONFIG
+            sed -i 's/plugin_paths/--plugin_paths/g' $PROSODY_HOST_CONFIG
             sed -i 's/authentication = "token"/authentication = "anonymous"/g' $PROSODY_HOST_CONFIG
-            sed -i "s/app_id=$APP_ID/--app_id=example_app_id/g" $PROSODY_HOST_CONFIG
-            sed -i "s/app_secret=$APP_SECRET/--app_secret=example_app_secret/g" $PROSODY_HOST_CONFIG
-            sed -i 's/modules_enabled = { "token_verification" }/--modules_enabled = { "token_verification" }/g' $PROSODY_HOST_CONFIG
+            sed -i 's/ allow_unencrypted_plain_auth/ --allow_unencrypted_plain_auth/g' $PROSODY_HOST_CONFIG
+            sed -i "s/ app_id=$APP_ID/ --app_id=example_app_id/g" $PROSODY_HOST_CONFIG
+            sed -i "s/ app_secret=$APP_SECRET/ --app_secret=example_app_secret/g" $PROSODY_HOST_CONFIG
+            sed -i 's/ modules_enabled = { "token_verification" }/ --modules_enabled = { "token_verification" }/g' $PROSODY_HOST_CONFIG
 
             if [ -x "/etc/init.d/prosody" ]; then
                 invoke-rc.d prosody reload

doc/debian/jitsi-meet-prosody/prosody.cfg.lua-jvb.example

 VirtualHost "jitmeet.example.com"
         -- enabled = false -- Remove this line to enable this host
         authentication = "anonymous"
-        -- Two properties below get uncommented by jitsi-meet-tokens package config
+        -- Three properties below get uncommented by jitsi-meet-tokens package config
         -- and authentication above is switched to "token"
+        --allow_unencrypted_plain_auth = true;
         --app_id=example_app_id
         --app_secret=example_app_secret
         -- Assign this host a certificate for TLS, otherwise it would use the one