Add block to add extra content to footer
Add block to add extra content to footer

For example, in order to add Disqus comments.

nshcat/sol2,shoopio/sphinx-shoop-theme,ushahidi/ushahid_sphinx_rtd_theme,onlinecity/sphinx_rtd_theme,CENDARI/sphinx_rtd_theme,digideskio/sphinx_rtd_theme,mitya57/sphinx_rtd_theme,digideskio/digidocs,emawind84/sphinx_rtd_theme,HardRockMartian/swri_sphinx_theme,devel0/sphinx_rtd_theme,snide/sphinx_rtd_theme,seanwarren/sphinx_rtd_theme,OrfeasZ/sol2,seanwarren/sphinx_rtd_theme,billw2012/sol2,ushahidi/ushahid_sphinx_rtd_theme,leoshaw/sphinx_rtd_theme,lzpfmh/sphinx_rtd_theme,mitya57/sphinx_rtd_theme,leoshaw/sphinx_rtd_theme,CENDARI/sphinx_rtd_theme,Open-Wide/sphinx_rtd_theme,emawind84/sphinx_rtd_theme,shoopio/sphinx-shoop-theme,resibots/sphinx_resibots_theme,emawind84/sphinx_rtd_theme,CENDARI/sphinx_rtd_theme,shoopio/sphinx-shoop-theme,onlinecity/sphinx_rtd_theme,digideskio/digidocs,mitya57/sphinx_rtd_theme,digideskio/digidocs,Open-Wide/sphinx_rtd_theme,dantleech/sphinx_rtd_theme,OrfeasZ/sol2,ThePhD/sol2,shoopio/sphinx-shoop-theme,seanwarren/sphinx_rtd_theme,Open-Wide/sphinx_rtd_theme,digideskio/digidocs,snide/sphinx_rtd_theme,ThePhD/sol2,onlinecity/sphinx_rtd_theme,OrfeasZ/sol2,billw2012/sol2,snide/sphinx_rtd_theme,snide/sphinx_rtd_theme,mitya57/sphinx_rtd_theme,devel0/sphinx_rtd_theme,seanwarren/sphinx_rtd_theme,leoshaw/sphinx_rtd_theme,digideskio/sphinx_rtd_theme,devel0/sphinx_rtd_theme,CENDARI/sphinx_rtd_theme,resibots/sphinx_resibots_theme,resibots/sphinx_resibots_theme,digideskio/sphinx_rtd_theme,dantleech/sphinx_rtd_theme,ThePhD/sol2,resibots/sphinx_resibots_theme,HardRockMartian/swri_sphinx_theme,emawind84/sphinx_rtd_theme,Open-Wide/sphinx_rtd_theme,billw2012/sol2,onlinecity/sphinx_rtd_theme,lzpfmh/sphinx_rtd_theme,digideskio/sphinx_rtd_theme,ThePhD/sol2,Open-Wide/sphinx_rtd_theme,nshcat/sol2,OrfeasZ/sol2,dantleech/sphinx_rtd_theme,ushahidi/ushahid_sphinx_rtd_theme,leoshaw/sphinx_rtd_theme,dantleech/sphinx_rtd_theme,billw2012/sol2,lzpfmh/sphinx_rtd_theme,HardRockMartian/swri_sphinx_theme,devel0/sphinx_rtd_theme,lzpfmh/sphinx_rtd_theme,ushahidi/ushahid_sphinx_rtd_theme