adds attribute universal for constraint object
Sort view constraints by category type
Remove a print statement
Save state of view constraint canvas
Ensures canvas height can handle large amounts of user added constraints
merges develop into display_constraints
Ensure index value is an integer
Increase scrollbar height if more than 20 user added constraints
Fix room selection drop down bug
Sort the room selections
Merge pull request #69 from donnell74/display_constraints

Display constraints
Merge branch 'develop' of https://github.com/donnell74/CSC-450-Scheduler into period

# By kylenovak (8) and = (1)
# Via kylenovak (2) and = (1)
* 'develop' of https://github.com/donnell74/CSC-450-Scheduler:
  Sort the room selections
  Fix room selection drop down bug
  Increase scrollbar height if more than 20 user added constraints
  Ensure index value is an integer
  Ensures canvas height can handle large amounts of user added constraints
  Save state of view constraint canvas
  Remove a print statement
  Sort view constraints by category type
  adds attribute universal for constraint object

Conflicts:
	gui/guiClasses.py
Edit semester additional info text
Add vertical padding to main page gui labels