Make init scripts Python version agnostic

Now that the Tautulli will run on both major versions of Python we can 
remove the specificity in the init scripts and make them simpler, with 
the added advantage that some OS's will now run Tautulli through Python 
3 instead of Python 2.

init-scripts/init.fedora.centos.service

@@ -21,8 +21,8 @@ datadir=/opt/Tautulli
 configfile=/opt/Tautulli/config.ini
 pidfile=/var/run/tautulli.pid
 nice=
-# The following line must point to your Python 2.7 install
-python27=/usr/src/Python-2.7.11/python
+# The following line must point to your Python installation
+python=/usr/bin/python
 ##
 
 options=" --daemon --config $configfile --pidfile $pidfile --datadir $datadir --nolaunch --quiet"
@@ -30,7 +30,7 @@ options=" --daemon --config $configfile --pidfile $pidfile --datadir $datadir --
 start() {
         # Start daemon.
         echo -n $"Starting $prog: "
-        daemon --pidfile=$pidfile $nice $python27 $homedir/Tautulli.py $options
+        daemon --pidfile=$pidfile $nice $python $homedir/Tautulli.py $options
         RETVAL=$?
         echo
         [ $RETVAL -eq 0 ] && touch $lockfile
@@ -39,7 +39,7 @@ start() {
 
 stop() {
         echo -n $"Shutting down $prog: "
-        killproc -p $pidfile $python27
+        killproc -p $pidfile $python
         RETVAL=$?
         echo
         [ $RETVAL -eq 0 ] && rm -f $lockfile

init-scripts/init.freebsd

@@ -51,7 +51,7 @@ verify_tautulli_pid() {
     # Make sure the pid corresponds to the Tautulli process.
     if [ -f ${tautulli_pid} ]; then
       pid=`cat ${tautulli_pid} 2>/dev/null`
-      ps -p ${pid} | grep -q "python2 ${tautulli_dir}/Tautulli.py"
+      ps -p ${pid} | grep -q "python ${tautulli_dir}/Tautulli.py"
       return $?
     else
       return 0

init-scripts/init.freenas

@@ -51,7 +51,7 @@ verify_tautulli_pid() {
     # Make sure the pid corresponds to the Tautulli process.
     if [ -f ${tautulli_pid} ]; then
       pid=`cat ${tautulli_pid} 2>/dev/null`
-      ps -p ${pid} | grep -q "python2 ${tautulli_dir}/Tautulli.py"
+      ps -p ${pid} | grep -q "python ${tautulli_dir}/Tautulli.py"
       return $?
     else
       return 0