When task is closed, it now goes back to the workflow view.
Edited colors.
Max size of titles in tab labels implemented
Cards are now spaced apart
added color changing to activities log
Added icons.
Merge branch 'nitpicks' of https://github.com/JustDuckItAll/wpi-suite into nitpicks
Close button added
fixed sticky removing
merge
starting on new archiving
fix duplicate check box, archiving works now
Validating cancel tab
Add popup error handler abstract class, use that by default for errors we want to display, fix the non handled errors in stage stuff.
Add popup error handler abstract class, use that by default for errors we want to display, fix the non handled errors in stage stuff.

Conflicts:
	TaskManager/src/main/java/edu/wpi/cs/wpisuitetng/modules/taskmanager/views/NewStageView.java
working on discussion tab
adding archive capability to cardview
Merge branch 'new-feature-archive' of github.com:JustDuckItAll/wpi-suite into new-feature-archive
added GUI support for show/hide archived tasks
Merge branch 'new-feature-archive' of github.com:JustDuckItAll/wpi-suite into new-feature-archive