Server will reject usernames with characters that are not letters, numbers, underscores or whitespace
Basic visual confirmation of username validation
Displays a warning to user if desired username is unacceptable
Error information now below login form
Form elements now turn red on invalid input
Moves error message
Merge pull request #23 from stevenhillcox/fix/html-injection

Fix/html injection
Merge branch 'develop' into fix/ui-fixes

Conflicts:
	VotingApplication/VotingApplication.Web.Api/Views/Home/Index.cshtml