The same game, but with primes

Created a definitions file, holding precalculated primes and returning the next
number. This also manages highscore.
Revert "The same game, but with primes"

This reverts commit fa481e9b2afc3a549a79759291e239f55fda632c.
Doing with primes, now done correctly
Merge branch 'master' into gh-pages

Conflicts:
	index.html