Initial import of CHEBFUN2 for V5.
Minor fixes.
Fixes to CHEBFUN2() constructor.
Minor fixes.
Merge branch 'development' into feature-chebfun2
Adding chebfun2/plus.  This is a new algorithm based on compression rather than calling the constructor.
chebfun2 objects now store chebfuns, adding mtimes and times for chebfun2.
Fixing chebfun/sum.
Adding comments for converting between values and coefficient in tensor-product mode.
Adding minus, and testing script for now.
Adding chebpts2.
Adding in functionality to do the outerproduct of two chebfun objects.
Trying to make vscl a scalar, after the initial construction stage.
Hacky changes to make Alex happy.
Basic functionality of Chebfun2v.
Updating vertcat in chebfun2.
Merge branch 'feature-chebfun2-junk' into feature-chebfun2

Conflicts:
	@chebfun2/SmallExamples.m
Small bug fixes to vector-calculus.
Adding basic trignometric functions.
Adding majority of simple commands from a-m.