Moved local dir to /opt/sys_config

Improved error logging and added function handling calls with log and return values
Improved check for matching sudo rule

system_setup/setup_system.inc.sh

@@ -14,11 +14,11 @@
 #    fi
 #    return 0
 #}
-if [ ! -f $(pwd)/setup_system.conf ]; then
+if [ ! -f $(dirname "$0")/setup_system.conf ]; then
     echo "System configuration not found. Please make a copy of setup_system.conf.dist, name it setup_system.conf and check the settings in it before running."
-    exit 1
+    echo "Press any key to continue" && read -n 1 -s -r && exit 1
 fi
-source $(pwd)/setup_system.conf
+source $(dirname "$0")/setup_system.conf
 
 #Check if the Data- Directory is encrypted
 check_data_isecrypted() {
@@ -32,11 +32,21 @@ check_data_isecrypted() {
 
 # Functions for logging
 elog_init() {
+    #Create a new logfile and put some text in it
     echo $@ | tee ${LOGFILE}
 }
 elog_add() {
+    #Append some text to the logile
     echo $@ | tee ${LOGFILE} -a
 }
+elog_add_command() {
+    #Run a command, capture all output (STD and ERR) to the logfile AND in variable RETTXT AND output to screen
+    #Returns the exit value of the command in $? and in RETNO
+    RETTXT=$( { $@ > >(tee -a ${LOGFILE}); } 2> >(tee -a ${LOGFILE}) )
+    RETNO=$?
+    echo "${RETTXT}"
+    return ${RETNO}
+}
 
 # Will set variable DAVTOKEN_USER and DAVTOKEN_PASS to the stored value or get a new one
 get_nc_token() {