build.sh: externs.js is now added to server optimizations, too.
Changed network communication to use simple arrays instead of obejcts/key-based arrays, added original keys in comments - Closure Compiler shortens the keys.
externs.js: updated to contain the server-related stuffs.
Added ObjectPlayer2Crystal and related colors and sprites, added automatic creation of them around ObjectPlayer1Destination.
Added a second ObjectPlayer1Destination.
Modified the health of ObjectPlayer2Crystal.
Changed tick() to reindex arrays more often.
Modified constructor of ObjectBase to use sequential uids, non-static objects will get a new random uid anyways.
Added GAME_STATUS_WIN_DELAY, GAME_STATUS_PLAYER1_WON, GAME_STATUS_PLAYER2_WON statuses, "game_status" command, and the handling of win/lose conditions.
Added config.overtime_duration.
index.html: added text shadow for #overlay.
index.html: modified the intro text.
Updated todo.