Added UITextField validation across all View Controllers and Alert View dialogs for every text field in the application.  Also fixed a bug in Manual where if you clicked in a scrollview element (the view gets pushed up to show the text field you edit), then click session name (which doesn't push the view up), then dismiss the keyboard, the view wouldn't go back down - now it does.
Merge pull request #632 from stowellm/ms618

Added UITextField validation across all View Controllers and Alert View ...