Change default to 'help', add 'debug' option

The default when no parameter is entered is now to display the help.
To start services you can use 'all', or 'debug' to start them followed
but starting the CLI

start-mycroft.sh

@@ -31,7 +31,11 @@ function help() {
   echo "usage: ${script} [command]"
   echo
   echo "Services:"
-  echo "  (none)                   runs core services: bus, audio, skills, voice"
+  echo "  all                      runs core services: bus, audio, skills, voice"
+  echo "  debug                    runs core services, then starts the CLI"
+  echo "  restart                  stops and restart core services"
+  echo
+  echo "Services:"
   echo "  bus                      the messagebus service"
   echo "  audio                    the audio playback service"
   echo "  skills                   the skill service"
@@ -92,7 +96,7 @@ function launch-process() {
     name-to-script-path ${1}
     
     # Launch process in background, sending log to scripts/log/mycroft-*.log
-    echo "Starting background service $1"
+    echo "Starting $1"
     python ${_script} $_params
 }
 
@@ -108,7 +112,7 @@ function launch-background() {
     name-to-script-path ${1}
     
     # Launch process in background, sending log to scripts/log/mycroft-*.log
-    echo "Starting $1"
+    echo "Starting background service $1"
     python ${_script} $_params >> ${scripts_dir}/logs/mycroft-${1}.log 2>&1 &
 }
 
@@ -127,7 +131,7 @@ case ${_opt} in
     launch-background voice
     ;;
     
-  "")
+  "all")
     echo "Starting all mycroft-core services"
     launch-background bus
     launch-background skills
@@ -148,7 +152,15 @@ case ${_opt} in
     launch-background ${_opt} 
     ;;
 
-
+  "debug")
+    echo "Starting all mycroft-core services"
+    launch-background bus
+    launch-background skills
+    launch-background audio
+    launch-background voice
+    launch-process cli
+    ;;
+  
   "cli")
     launch-process ${_opt}
     ;;