Merge pull request #7 from bilgili/master

Documentation for Equalizer 1.7.3
Bump CMake external
Switch cmake external to master
Updated Lunchbox 1.9 docs
Update Lunchbox 1.9 doc
Update git externals to denoise
Updated to latest CMake tree.
Merge pull request #8 from rdumusc/subtree

Updated to latest CMake tree.