Fix Tutorials.Modules (fr) header overlaying breadcrumbs and lang selector

Apparently ---- underlining in markdown creates an H2 header which has different styling in bootstrap_mod.css than an H1 header such that the header box ends up catching most clicks on the breadcrumb or language selector links.
Merge pull request #415 from dsheets/patch-4

Fix Tutorials.Modules (fr) header overlaying breadcrumbs and lang selector