Added inputdata stub and some junit testcases.

the text file is created by the filemanager

Signed-off-by: Nicholas Lum <nicholaslum444@hotmail.com>
added test case for reading file.

the filemanager can now read the file line by line

Signed-off-by: Nicholas Lum <nicholaslum444@hotmail.com>
added functionality to the inputdata and outputdata classes

also changed the additem function in engine to execute

Signed-off-by: Nicholas Lum <nicholaslum444@hotmail.com>