Added discussion analytics with extra oomph

We needed some meta-info to come along with the discussion requests.

What we are sending to the server is:

## Recommend

    SiteCatalyst Server Call #2 (1162 chars)
    CUSTOM LINK        : Recommend a comment
    Report Suite ID        : guardiangu-frontend-dev
    Page Name          : GFE:science:Article:3
    Current URL        : http://m.thegulocal.com/science/grrlscientist/2012/aug/07/3#comments
    Events             : event72
    eVar19             : frontend
    eVar31             : registered user
    eVar51             : AB | AlphaAdvertsData | notintest
    eVar65             : recommendation
    eVar66             : 11800127
    eVar67             : 11800127
    prop4              : Science
    prop6              : GrrlScientist
    prop8              : 1782564
    prop10             : Blogposts
    prop19             : frontend
    prop31             : registered user
    prop51             : AB | AlphaAdvertsData | notintest
    Currency Code      : GBP
    Char Set           : UTF-8
    Screen Resolution  : 1920x1080
    Color Depth        : 24
    JavaScript Version : 1.6
    JavaScript Enabled : Y
    Cookies Supported  : Y
    Browser Width      : 636
    Browser Height     : 933
    Version of Code    : H.25.3
    Data Centre        : hits.theguardian.com

## Comment

    SiteCatalyst Server Call #3 (1214 chars)
    CUSTOM LINK        : comment
    Report Suite ID    : guardiangu-frontend-dev
    Page Name          : GFE:science:Article:3
    Current URL        : http://m.thegulocal.com/science/grrlscientist/2012/aug/07/3#comments
    Events             : event51
    eVar19             : frontend
    eVar31             : registered user
    eVar51             : AB | AlphaAdvertsData | notintest
    eVar66             : 11800127
    eVar67             : 11800127
    eVar68             : comment
    prop4              : Science
    prop6              : GrrlScientist
    prop8              : 1782564
    prop10             : Blogposts
    prop19             : frontend
    prop31             : registered user
    prop51             : AB | AlphaAdvertsData | notintest
    Currency Code      : GBP
    Char Set           : UTF-8
    Screen Resolution  : 1920x1080
    Color Depth        : 24
    JavaScript Version : 1.6
    JavaScript Enabled : Y
    Cookies Supported  : Y
    Browser Width      : 636
    Browser Height     : 933
    Version of Code    : H.25.3
    Data Centre        : hits.theguardian.com