Add LyX results to test suite

Note that cases that cause Lyx to fail to load the file have not been
included. These fail because HTML comments in the testcase don't contain
valid LaTeX.
Removed LyX results from other tests
Add LyX results to test suite

Note that cases that cause Lyx to fail to load the file have not been
included. These fail because HTML comments in the testcase don't contain
valid LaTeX.
Removed LyX results from other tests
Merge branch 'master' of https://github.com/crcowan/MMD-Test-Suite---LyX
bring in variables
Updated with LyX testcases