Minify the bundled js about planktos

[xuset]

uglify-js always gives a parse error when it encounters an arrow function. From my brief look into uglify-js it seems it supports arrow functions so I'm not sure what's going on.

Stacktrace:

SyntaxError: Unexpected token: operator (>)
Error
    at new JS_Parse_Error (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:1547:18)
    at js_error (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:1555:11)
    at croak (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2094:9)
    at token_error (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2102:9)
    at unexpected (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2108:9)
    at expr_atom (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2635:9)
    at maybe_unary (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2797:19)
    at expr_ops (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2832:24)
    at maybe_conditional (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2837:20)
    at maybe_assign (eval at <anonymous> (/Users/xuset/code/planktos/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2861:20)

[xuset]

Closed in #16