Rel 5.3.1 - Maintenance update with

Rel 5.3.0 - Quap improvements by Brooks Rady

Rel 5.2.0 - Removed ParetoSmooth

Merge remote-tracking branch 'origin/master'

Merge pull request #16 from hannesbecher/master

typo fix

Rel 5.0.1 - Updated maintenance script

Merge remote-tracking branch 'origin/master'

Rel 4.5.1 - Further README updates.

Rel 4.5.0 - README updates

Rel 4.0.5 - Minor updates to chaps 1-5