Changes for renaming demographics to level

and some checkstyle fixes
Merge master branch to local
Merge branch 'master' of https://github.com/9124SAVOIAD/SimSys

Conflicts:
	Game
Generator/src/edu/utdallas/gamegeneratorcollection/ComponentSelection/In
putWizard.java
Merge Conflict update
Runtime type cast error and checkstyle fixes
Game Tag update in Test XML 2
Merge branch 'localBranchKG'
Removing <NextSequence> from <Sequence>
default pop up
Merge branch 'localBranchKG'
Merge branch 'master' of https://github.com/9124SAVOIAD/SimSys
Fix to Update User Object in Game Display
Merge branch 'localBranchKG'
Test
Merge branch 'master' of https://github.com/9124SAVOIAD/SimSys
Test Commit
More Cleaning

Added comments and included an error check for repository
Merge branch 'master' of https://github.com/9124SAVOIAD/SimSys
Getting Background in Preview Tool
Merge branch 'master' of https://github.com/9124SAVOIAD/SimSys