Refactor DIFFMAT into the COLLOC class. (Not working yet.)
Refactor colloc*.diffmat() into colloc.baryDiffMat().
Minor fix in input counting.
Tidying up a few typos.
Merge remote-tracking branch 'upstream/development' into fix-colloc-diffmat
Merge pull request #1017 from chebfun/fix-colloc-diffmat

Fix colloc diffmat
Add the command DIV() as a shortcut to DIVERGENCE().
Add see also to DIVERGENCE.
Implement the flipping trick of R. Baltensperger and M.R. Trummer in DIFFMAT.
Add an initial guess to these nonlinear tests or else newton fails.
Revert missing semicolons.
Merge pull request #1049 from chebfun/fix-diffmat-flipping-trick

Fix diffmat flipping trick
Adding ultrapoly to construct Chebfuns of ultraspherical polynomials.
Manually revert files back to development.
Update see also lines.
Merge pull request #1047 from chebfun/fix-conv

Throw an error is numPatches is too large in CONV().
ULTRAPOLY calls LEGPOLY and CHEBPOLY when lambda = .5, 1.
Merge remote-tracking branch 'chebfun/feature-ultra-methods' into development
correcting three typos in comments