hdmi picture
HDMI: Expand on the caption for HDMI RTL.
Merge remote-tracking branch 'origin/master' into hdmi

Conflicts:
	report/gpu/hdmi.tex
HDMI: Fix typos in caption.
Merge pull request #126 from dmpro2014/hdmi

Hdmi
Add schematics label
Unbreak master
Add tunnel listing
Fix read/write to masking register
single vs double
artefact -> artifact
images -> image typo
Merge pull request #127 from dmpro2014/single_vs_double_buffering

single vs double
Reorder Discussion chapter, add introduction
Address github comments