Performance tests

**Goal**
- Test the performance impact of fixes/changes. So, we ensure our performance is continuously improved; #397
- Compare the performance of Globalize vs. its competitors, so we ensure our performance is good compared to the market;

**Workloads**
- TODO (should reflect what Globalize applications look like)

**Implementation**
Ref: https://github.com/jquery/sizzle/tree/master/speed
##

Some other stuff to evaluate:
- http://topcoat.io/posts/benchmarks/
- http://bench.topcoat.io/
- https://www.npmjs.org/package/perfjankie
- http://nparashuram.com/bootstrap-perf/
- https://github.com/topcoat/topcoat-grunt-telemetry
- https://github.com/jquery/jquery-ui/pull/1160