MycroftOS: Buildroot: Check for /.mycroft and if not exist create it

- This is a work around for #9 untill I figure out what exactly is
  causing it.

buildroot-external/rootfs-overlay/etc/init.d/S90mycroft_prepare

@@ -18,6 +18,16 @@ start() {
 			mkdir /var/log/mycroft/
 		fi
 	fi
+
+	# Check if /.mycroft exist already and if not
+        # create a symbolic link to /root/.mycroft
+        if [[ ! -w /.mycroft/ ]] ; then
+                # Creating .mycroft symlink
+                printf "Creating /.mycroft/ symlink"
+                if [[ ! -d /.mycroft/ ]] ; then
+                        ln -s /root/.mycroft /.mycroft
+                fi
+        fi
 }
 case "$1" in
   start)