Merge pull request #318 from 9rnsr/fix_attrib

Improve descriptions for various attributes
OSX download also from S3
Fixes for latex generation
Update unittest.dd
fix (hopefully) a broken link to doxygen (add www)
Fix documentation
Merge pull request #332 from matovitch/patch-1

fix (hopefully) a broken link to doxygen (add www)
Improve operator overloading description for opEquals.
Improve operator overloading description for opAssign/assignment overload.
fix Issue 9994 - Built-in generated opAssign should call dtor on assignment
Apply Andrej's review