smartreader

Smartreader can now always be restarted out of webif whitout oscam crash due to segfault.
When stopping the reader out of reader tab in webif the ftdi kernel driver for the device is reloaded.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9922 4b0bc96b-bc66-0410-9d44-ebda105a78c1