Tidying

fixes/trisquel7/README

 
     sudo apt-get remove --purge batctl
     wget http://mirrors.kernel.org/ubuntu/pool/universe/b/batctl/batctl_2014.1.0-2_amd64.deb
-	sudo dpkg -i batctl_2014.1.0-2_amd64.deb
+    sudo dpkg -i batctl_2014.1.0-2_amd64.deb
 
 You can then test that ping works with: