Fixing spacing.
Aligning CHEBGUI fields.
Split some tests.
Quantum fix.
By a popular request, introducing the Chebfun logo in Chebgui!
Merge pull request #970 from chebfun/fix-tests

Fix tests
Add support for linew and lines.
Merge branch 'development' of github.com:chebfun/chebfun into fix-plot-linew
Fixing input args to chebellipseplot().
Add cheb2logo().

Not really important, but here it is anyway.  There's no time to comment
the file at the moment, but if someone feels so compelled, they can do
so at any time.
Remove vscale update from SIMPLIFY(). Closes #973.
Fix typo in casing.
Allow a tolerance in CHEBTECH/MINUS for zero result.
Make test_hermpoly easier to check. No actual changes.
Fix this broken test criteria.
Remove the final test (which is unreliable).
Fix semicolon and plot.
Update quasimatrix documentation. Closes #483.
Add IOSQUASI() method.
Changes to FOURTECH/TEST_QR suggested by GW.