Merge pull request #113 from aamistak/master

fixed npc text to change from mario to luigi #106
Readme update for TimeHandlr
Created AudioHandlr.js

Reshuffled Sounds to use it, and deleted sounds.js.
playTheme fix for AudioPlayr
Fixed 'memory leak' in quadrants

Each quadColShift deleted one too few quadrants! Helps explain lower
performance in larger random maps.

Also improved AudioPlayer's documentation and removed one last erroneous
log message from it.
Added 3 missing Goombas in World 1-2
Placed CastleBlocks in PreCharacter collection instead of PreSolids to make them display properly
Merge pull request #115 from blamonet/missing-1.2-goombas

Added 3 missing Goombas in World 1-2
Followup to 1-2 missing Goombas
Merge pull request #116 from blamonet/fix-offscreen-castleblocks

Placed CastleBlocks in PreCharacter collection instead of PreSolids to make them display properly
Followup to fix offscreen castleblocks

Note that they'll spawn a little later than other solids.
Made it so Mario can't fire or jump while in horizontal pipes
Added 3 missing goombas from the beginning of World 5-1
Merge pull request #118 from blamonet/missing-goombas-world51

Added 3 missing goombas from the beginning of World 5-1
Merge pull request #117 from blamonet/fix-mario-actions-h-pipe

Made it so Mario can't fire or jump while in horizontal pipes
Created QuadsKeepr
Added score of 500 for each firework awarded at the end of a level
Merge pull request #120 from blamonet/firework-points

Added score of 500 for each firework awarded at the end of a level
Put height limit on how high bloopers can go on the screen in level 2-2
Adding missing Pirana Plants at the end of 1-2 and 2-2.