xmlui: Adjust space for item list in CGSPACE theme

Signed-off-by: Alan Orth <a.orth@cgiar.org>
xmlui: Normalize fonts in CGSPACE theme

11px is a bit too small, let's normalize 12px for all body text for
now.

Signed-off-by: Alan Orth <a.orth@cgiar.org>
xmlui: Add Google Analytics code for ICARDA theme

Fixes GitHub Issue #36.

Signed-off-by: Alan Orth <a.orth@cgiar.org>