Tweaking a few tests which fail with 1st-kind points.
An important fix in merge@chebfun. A few tweaks in various tests.
Suppress a warning due to sum@unbndfun which can be safely ignored.
Make Chebfun2/chebpts2() consistent with chebfun/chebpts.
Merge branch 'fix-1stkind' of https://github.com/chebfun/chebfun into fix-1stkind
Fix tests for 1st kind points.
Merge branch 'development' into fix-1stkind

Conflicts:
	@chebfun2/chebpts2.m
	tests/chebfun/test_minandmax.m
Fixing Chebfun2 for 1st kind points.
Relax tolerance in Chebfun2/plus.
All Chebfun2 and Chebfun2v test pass now.
Commenting out a test for yLim, which fails for 1st-kind points and leave it for further resolution.
Merge remote-tracking branch 'upstream/fix-1stkind' into fix-1stkind
Merge branch 'development' into fix-1stkind
All chebop2 test now pass on my machine.
Merge remote-tracking branch 'chebfun/fix-1stkind' into development

Conflicts:
	tests/chebfun2/test_ode45.m