phpbrew/phpbrew — pull request #444 by shinnya (2015-01-01 07:30:12+00:00)
Title: Fixes a bug that donwloading a file using wget or curl always fails even when it succeeds.

## Purpose
To resolve #443 .

## Changes
Use `Utils::system` method to download a file when wget or curl is used in `DownloadTask`.

## Effect
Users who don't enable curl extension can download files correctly.

## Tests
Add some test cases for `UrlDownloaderTest`.