[product: zaphod][project: zaphod-v0.3]: [bug] Fix indentation of dostring.

SYNOPSIS
[modified]m42/test/test_zaphod.py: Fix indentation of dostring.
[product: zaphod][project: zaphod-v0.3]: [refactor] Create a function to read test config file.

SYNOPSIS
[modified]m42/test/test_download.py: Use load_config from zaphodtestutil
[modified]m42/test/test_gzdownload.py: Use load_config from zaphodtestutil
[modified]m42/test/zaphodtestutil.py: Implement load_config to load test configuration.

DETAILS
Refactored code that reads configuration for tests into a utility function
in zaphodtestutil.py
[product: zaphod][project: zaphod-v0.3]: test_zaphod uses config file.

SYNOPSIS
[modified]m42/test/test_zaphod.py: Load test parameters from config file.

DETAILS
Changed test_zaphod.py to load test parameters(download info) from
config file.
[product: zaphod][project: zaphod-v0.3]: [bug] Fix incorrect default download URL.

SYNOPSIS
[modified]m42/test/test_zaphod.py: Fix incorrect default download URL.

DETAILS
Accidentally checked in an incorrect default URL used while testing code.
This bug fix backs out that change.