Allow single commands in ScriptScheduler

Replace script= with action= like in AutoRespond
Older script=<text> will be handled as action=script <text>

MinecraftClient/config/sample-tasks.ini

@@ -5,6 +5,7 @@
 # Structure of a task: [Task] Followed by triggers and other settings.
 # The example below contains all the possible fields for a task
 # Time is HH:mm format, several different hours can be provided
+# Action command can be "script" or any other internal command
 
 [Task]
 triggerOnFirstLogin=false
@@ -14,14 +15,14 @@ triggerOnInterval=false
 timeValue=19:30
 timeValue=08:10
 timeInterval=0
-script=event.txt
+action=script event.txt
 
 # Another minimal example: some properties may be omitted
 # This is highly recommended for improving task readability
 
 [Task]
 triggerOnFirstLogin=true
-script=startup.txt
+action=script startup.txt
 
 # Of course, the tasks file can contain as much tasks as you want.
 # Another example triggered on logging in and every night at midnight:
@@ -30,15 +31,15 @@ script=startup.txt
 triggerOnLogin=true
 triggerOnTime=true
 timeValue=00:00
-script=midnight.txt
+action=log It's midnight!
 
 # Example of task occuring every 30 seconds
-# Could be used for making a custom antiAFK procedure
+# Could be used for jumping as antiAFK method
 
 [Task]
 triggerOnInterval=true
 timeInterval=30
-script=advanced-anti-afk.txt
+action=move up
 
 # Enjoy!
 # - ORelio