Merge pull request #38 from theB264/master

email validation
change string concatenation
Revert "email validation"
Merge branch 'revert-38-master' of https://github.com/ebobtron/Speller-BigBoard
valid and sanitized email, style change, page loads before Java box pops
alert.php fully commented
overhaul: string builds, error trapping, full comments, broken code fixed.
type missing space