New version 1.12.3: only show Google Play Services popup when the user enables the service
Issue #43: Add settings for speed test
Issue #43: Use the downloaded file for the upload test
Issue #43: fix download speed column name
Issue #43: correct speed test calculation in mbps
Issue #43: Minor refactoring of SpeedTest
Issue #43: Save the last download result in a preference.

In the preference activity for the speed test, we'll display
the size of the last download, instead of downloading the
file each time.
Issue #43: Corrections for using the cache directory.

To store the downloaded file for the speed test
Issue #43: Hide the speed test columns unless the user explicitly enabled the speed test.
Issue #43: Change speed test icon
Issue #43: use TrafficStats if available
Issue #43: Added path parameter for upload test
Issue #43: Simplifying text of some preferences
Issue #43: truncate the download url in the settings
Issue #43: Show the speed test in the log file even if it's not enabled
Issue #43: Add a help screen for speed test.
Issue #43: Change the default url for the download speed test
Issue #43: New version 1.13.0

Conflicts:
	AndroidManifest.xml
Issue #43: Translating into french
Issue #43: translate speed test into Spanish