Fix typos in revision history.
Regenerate docs.

svn path=/trunk/libs/math/; revision=84478
Correct acronymic typo

svn path=/trunk/libs/math/; revision=84479
Regenerate docs from P Bristow's typo fix.

svn path=/trunk/libs/math/; revision=84481
Minor fix for multiprecision types.

svn path=/trunk/boost/math/; revision=84547
Add a quick and dirty tutorial on writing a new special function.
Regenerate docs.

svn path=/trunk/libs/math/; revision=84608