Added the Change Email button and function to account settings page.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Fixed typo in comment.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Merge pull request #109 from Acidity/feature/changeEmail

Added a Change Email button and function to account settings page.