Facilitator Login UI, use login page as default home
Show error messages for facilitator login
Student login UI, allow customisable error messages for login
Fix typo
Use consistent button names
Basic error checking upon facilitator signup, ensure unique facilitator IDs, correct misspelled class name
Merge with master, add more error checking to logins
Remove files that have been moved/deleted
Merge remote-tracking branch 'origin' into CP-61

Conflicts:
	Confidence/WebContent/WEB-INF/FacilitatorsPages/facilitatorSignup.jsp
	Confidence/WebContent/facilitatorLogin.jsp
	Confidence/WebContent/sittingAccess.jsp
	Confidence/src/FacilitatorController.java
Basic styling to main content pages, consistent across users/pages
Fix alignment of questions diplay
Incorporate sittingId into question displays
Merge pull request #9 from charbelZeaiter/CP-61

CP-61