initial EventClass & Sort
test the functions in Sort and EventClass

sortByDueDate still should be modified
CreateEventForm can now be dragged. GUI needs improvements.
new the Arraylist in the EventClass

accomplish sortByDueDate in the Sort class
create ths list class
list
Add some buttons (add & close).
Merge remote-tracking branch 'jimmy/EventClass'

Conflicts:
	Reminder.csproj
選項圖示完成
EventClass re-design.
updated run.cs

delete two blank line
Merge pull request #2 from StanleyDing/master

EventClass modified.
recover TitleBar.cs
modify the soryByDueDate
Add EventReader and EventWriter. Modifies EventClass
Merge pull request #3 from StanleyDing/master

Read and Write
add public in the EventClassInterface
Merge remote-tracking branch 'origin/EventClass' into EventClass

Conflicts:
	EventClass.cs
establish the list of event
add scroll bar