Use earmark to convert md to html
Merge remote-tracking branch 'origin/master' into convert-md-on-demand

Conflicts:
	lib/transcripts.ex
	web/templates/talk/index.html.eex
Fix broken page
Convert yaml
Return frontmatter and markdown
Remove transcripts
Handle frontmatter
Made cut function private
Test with longer tuples
Add module for converting tuple to map
Convert tuple to dict
Show talk title and speaker
Merge pull request #8 from schultyy/convert-md-on-demand

Convert md on demand