changed main logic of ZombieTask to fit parser
- updated updateCommand
- removed depreciated methods for viewFormat conversion
Changed structure of storage repo.
- merged latest commit with current master branch
edited ZombieTask to conform to new storage api
changed package to zombietask
Merge branch 'Storage' into mainlogic
none critical edits to zombietask - testing view and add commands with
storage
added constructor
added new constructor StorageAPI(String)
Merge branch 'Storage' into mainlogic

Conflicts:
	ZombieStorage.txt
edited second constructor for storageapi
Merge branch 'Storage' into mainlogic
updated UI printAgenda function to avoid array overflow
edited wrong implementation of while loop (array overflow)
updated main logic
- err to display message
- view and agenda tentatively working
updated delete command -> added storage.delete
updated delete function to prevent json array overflow
Merge branch 'Storage' into mainlogic
edited storage.displayall in main logic
updated updateTask in main logic.
V0.2, not complete:
- fixed error for numbers in task name
- handled repeated dates/more than 1 date
- created command objects for timed task, floating task and search
- interpreter does not return these objects yet
- generated javadoc to share API