Added new settings package

Used to simulate a settings class for now, will update with a class
that grabs and puts settings from/to a file.
Update Task and Task unit testing

Override equals method in Task class.
Added accessor method for taskId
Updated settings package

Added new messages class to store frequently used messages format.
Updated new settings in settings class.
Updated StorageHandler methods

included calls to individual storages and added new close method to
close storages.
Added new method to storage interface

Added close method to close storages
New class EventLogger

EventLogger is used to log all tasks-related events into a text file