add Products page template
Merge pull request #32 from seward/master

Added some sidebar magic
Merge remote-tracking branch 'upstream/master'
Added label to index sidebar
Copied Sphinx built-in 'localtoc.html' to _templates/localtoc2.html, altered label
Added label to sidebar2
Using docs-specific localtoc template for sidebar instead of built-in Sphinx template
Added sections to en/documentation.txt instead of just a toctree