add a new line in one of the displayError messages
Merge branch 'master' of ece2524.ece.vt.edu:daniel94/project/DarkForest

Conflicts:
	adventure.cpp
remove HEAD >>>
change function gameBegin to accept a string which is the username.
add comments and change checkUsername to accept only one parameter
change checkUsername to only accept on parameter
Merged Chris' code
Update README to reflect new authentication comments