fix slight left-padding on mobile
Merge pull request #1 from gauthierm/nburka-bug-868199-unified-download

fix FxOs user agent checking after testing with a real FxOS device
fix padding in mobile android
Merge branch 'bug-868199-unified-download' of https://github.com/nburka/bedrock into bug-868199-unified-download
Update links as per Google Doc. FxOS link still needs to be updated more but will pull a new master first.