GH-15: paraphrase man-pages(7) description of .TH
md2man-html: add anchors & permalinks to headings
GH-15: wrap .TH components in stylable HTML spans
Merge branch 'other'
Merge branch 'minor'
Version 2.1.0 (2014-05-04)
upgrade to Redcarpet 3.1 for auto heading anchors
Redcapret breaks compatibility in minor releases