Fix ipfs id

src/freedombone-image-mesh

         rm -rf /home/$MY_USERNAME/.ipfs
     fi
 
+    if [ -f /home/$MY_USERNAME/.ipfs-id ]; then
+        rm -f /home/$MY_USERNAME/.ipfs-id
+    fi
+
     su -c "$IPFS_COMMAND init -b $IPFS_KEY_LENGTH" - $MY_USERNAME
     if [ ! -d /home/$MY_USERNAME/.ipfs ]; then
         echo "IPFS could not be initialised for user $MY_USERNAME" >> $INSTALL_LOG
     fi
 
     MY_IPFS_ID=/home/$MY_USERNAME/.ipfs-id
-    su -c "echo $($IPFS_COMMAND id | grep '\"ID\":' | awk -F '\"' '{print $4}') > $MY_IPFS_ID" - $MY_USERNAME
+    su -c "echo \$($IPFS_COMMAND id | grep '\"ID\":' | awk -F '\"' '{print \$4}') > $MY_IPFS_ID" - $MY_USERNAME
     if [ ! -f $MY_IPFS_ID ]; then
         echo 'No IPFS identity was created' >> $INSTALL_LOG
         return