Add HDMI schematic picture
Write output section with HDMI subsection

Also add HDMI schematic picture to
accompany HDMi description
Fix typo and add HDMI citation
Change HDMI citation to bibtex thing
Change bibtex url reference
Correct typo
Remove hdmi file

This file has been included in output subsection
Merge pull request #32 from dmpro2014/pcb-output

Pcb output