Made a username and password text fields and login button
Reorganized files, basic layout for professor page, buttons change content displayed.
Attempt to add logo to login page
Added a logo, changed background color, centered everything.
Added AbstractUserPage as well as LogoutButton and RefreshButton classes
Fixed conflicts!
Reoganized packages
Added action to login button
Changed StudentTestPage to extend AbstractUserPage
Resolved conflicts when merging from the master.
Merge branch 'master' into login-page

Conflicts:
	src/edu/lclark/language/LoginPage.java
	src/edu/lclark/language/MainWindow.java
Added reading text from a file!
Merged from master.
Added sample text file.