Sergey Gruntovsky

I noticed duplicated sourcemaps in my build (two `.map` files emitted for every chunk, and two `//# sourceMappingURL=` comments at the end of each file), which were confusing the browser....

``` Error: ENOENT: no such file or directory, open 'true/webdriver_log_3pzifwat.txt' ``` Should work fine if used as a parameter (not a flag): `--webDriverLogDir ./` instead of `--webDriverLogDir`. Though I think...