gulp: Better error messages

[RunDevelopment]

After I tried (and failed) for half an hour to find the line that caused uglify to fail, I decided it's (finally) time for proper error messages using pump.

Example

pump will transform

... more gulp log ...
[15:12:04] Starting 'plugins'...
[15:12:04] Finished 'build' after 195 ms
[15:12:05] Finished 'plugins' after 676 ms

events.js:167
      throw er; // Unhandled 'error' event
      ^
Error
    at new JS_Parse_Error (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:196:18)
    at js_error (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:204:11)
    at parse_error (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:306:9)
    at Object.next_token [as input] (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:551:9)
    at next (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:649:25)
    at as_name (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:1259:9)
    at subscripts (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:1297:30)
    at expr_atom (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:1171:20)
    at maybe_unary (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:1334:19)
    at expr_ops (D:\Documents\GitHub\prism\node_modules\uglify-js\lib\parse.js:1369:24)
Emitted 'error' event at:
    at DestroyableTransform.onerror (D:\Documents\GitHub\prism\node_modules\gulp-replace\node_modules\readable-stream\lib\_stream_readable.js:640:52)
    at DestroyableTransform.emit (events.js:182:13)
    at onwriteError (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_writable.js:250:10)
    at onwrite (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_writable.js:268:5)
    at WritableState.onwrite (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_writable.js:106:5)
    at afterTransform (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_transform.js:104:5)
    at TransformState.afterTransform (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_transform.js:79:12)
    at DestroyableTransform.minify [as _transform] (D:\Documents\GitHub\prism\node_modules\gulp-uglify\index.js:55:11)
    at DestroyableTransform.Transform._read (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_transform.js:184:10)
    at DestroyableTransform.Transform._write (D:\Documents\GitHub\prism\node_modules\gulp-uglify\node_modules\readable-stream\lib\_stream_transform.js:172:12)

(Which task failed? Which file? Which line? Any hints as to what caused the error?)

into

... more gulp log ...
[15:10:42] 'components' errored after 864 ms
[15:10:42] Error in plugin 'gulp-uglify'
Message:
    Unexpected character '`'
Details:
    fileName: D:\Documents\GitHub\prism\components\prism-js-extras.js
    lineNumber: 67