parser class with only complete and delete command parser function
javadocs added,a parser class with methods to return command type and task name
Added data storage class skeleton
Corrected mistake in data controller file directory
Removed deleted file
Merge branch 'hyungjon-data'
Merge branch 'sun-controller'
UI modified to enable display of floating task and deletion of floating tasks for tutorial showcase purpose
add javadocs to controller
generate javadocs
add readme

Includes instructions for generating Javadocs.
edit minor formatting in readme
remove javadocs
add tasks