[benchmark] add files for speed tests
[benchmark] use benchmark.js instead of jslitmus
[benchmark] add crude results display method
[benchmark] test open, _on_expand, and init
[benchmark] add _open and _close so they can be tested individually
[benchmark] test the remaining functions
[benchmark] hide pg elements while running tests
[benchmark] rudimentary styling for results
[benchmark] provide more immediate test results feedback
[benchmark] dynamically add all table elements, display all relevant metrics in table
[benchmark] use toFixed on ops/sec figure
[benchmark] re-minify js
Merge pull request #36 from tracelytics/benchmark

add benchmarks