Fixed unit test for berserk poison die
Added unit tests for action logging of standard berserk attack
Added more unit tests for action logging of standard berserk attack
Added failing test case for berserk logging bug
Fixed berserk logging bug
Merge pull request #672 from blackshadowshade/487_berserk_log

BMSkillBerserk->capture() now updates attacker input argument on berserk attack
* update front page intro text
* don't allow PDO to emulate prepare statements
* ask new users not to reuse valuable passwords
Merge pull request #675 from cgolubi1/671_frontpage_fixes

update front page intro text
Merge pull request #680 from cgolubi1/676_mysql_prepare

don't allow PDO to emulate prepare statements
Merge pull request #681 from cgolubi1/678_no_reuse_warning

ask new users not to reuse valuable passwords
* refactor responder and dummy_responder argument checking to take
  sanity-check presence and absence of all expected arguments, and
  check most arguments for approximately-correct type
* ApiSpec.php is a new dependency of DummyResponder.php, so we need it for jenkins testing too
* checkstyle warnings, including a debugging statement i left in
Merge pull request #682 from cgolubi1/674_post_sanitize

refactor ApiResponder and DummyApiResponder to sanity-check all function args