* make dice focusable, make them respond to space the same way as to click, and respond to enter by submitting the form when either dice or attack type is focused
Merge pull request #949 from cgolubi1/180_game_keyboard

allow players to use keyboard for selecting dice and submitting attacks
Multiple requested changes

Increased DB int sizes, disallowed quotes and whitespace in BB code
tags, moved Mark Read buttons left, moved board colors to DB, fixed
typos/paste-os/merge-os, renamed several functions, stopped backing up
non-functions before unit tests, made escapeRegexp() test more explicit,
and clarified various things ([[] help, CSS comments, error messages).
Resolving conflicts