removes invalid , from generated html
Merge pull request #1603 from opf/fix/invalid_html_in_toc_macro

removes invalid , from generated html
Bump Bower to latest (1.3.8)

See https://twitter.com/bower/status/487704111832252417

Signed-off-by: Alex Coles <alex@alexbcoles.com>
places footer relatively and remove bottom padding