src/main/java/de/vandermeer/execs/Gen_RunScripts.java
protected final int initApplicationDir(){
		this.applicationDir = this.optionAppHome.getValue();
		if(this.applicationDir==null){
			System.err.println(this.getAppName() + ": no application directory set");
			return -1;
		}

		return 0;
	}
protected final int initApplicationDir(){
		this.applicationDir = this.optionAppHome.getValue();
		if(this.applicationDir==null){
			System.err.println(this.getAppName() + ": no application directory set");
			return -1;
		}

		return 0;
	}
Initializes the application directory for the generator.
There is no default set and no configuration property can be used.
The application directory has to be set using the CLI option "--application-directory".
Otherwise this method will fail.
@return 0 on success with configuration loaded, -1 on error with errors printed on standard error