Update requesting.rhtml

The Scottish Information Commissioner has released some really good guidance.
Merge branch 'master' into develop
Merge remote-tracking branch 'confirmordeny_github/patch-12' into develop
Remove custom stylesheet template deprecated in Alaveteli 0.5
Adding Alistair Sloan

Adding Alistair Sloan to the list of volunteers.
Merge remote-tracking branch 'confirmordeny_github/patch-13' into develop
Update about.html.erb

The ICO now has a .org.uk web address replacing the .gov.uk.
Update requesting.html.erb

ICO now use ICO.org.uk rather than ICO.gov.uk
Update requesting.html.erb

new ICO web site (.org.uk not .gov.uk)
Merge remote-tracking branch 'confirmordeny_github/patch-14' into develop
Merge remote-tracking branch 'confirmordeny_github/patch-15' into develop

Conflicts:
    lib/views/help/requesting.html.erb
Merge remote-tracking branch 'confirmordeny_github/patch-16' into develop

Conflicts:
    lib/views/help/requesting.html.erb
More ico url changes.
Merge branch 'develop'