modify /usr/share/startmythtv.sh to check for & run user command file (ala .xsession)

[Nick Hemsley]

This patch checks in ~/.mythtv/session for user commands.

p.s. sorry for the diff! Couldnt find the right bzr repo.

/usr/share/startmythtv.sh:

*** startmythtv.sh-old 2007-08-22 19:52:23.000000000 +0800
--- startmythtv.sh 2007-08-22 19:53:17.000000000 +0800
***************
*** 46,51 ****
--- 46,58 ----
  #start window manager
  openbox &

+ #let the user know that we are checking & where
+ echo "Checking for mythtv custom commands in ~/.mythtv/session"
+ if [ -x ~/.mythtv/session ]
+ then
+ ~/.mythtv/session &
+ fi
+
  if [ -x /usr/bin/mythbackend ]
  then
        if [ -e ~/.mythtv/backend_configured ]

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