Merge pull request #26 from polymer1/sp

build fix
Fixing typos in src/CONTENTS
Fixing multMcMd.dox file.
Merge branch 'sp' into devel
Adding "features" section to web manual.
Small changes to dox page titles.
Adding *.dox files for some McMd analyzers.
Work on SpCell and SpCellList in DdMd (not finished)
Merge pull request #27 from polymer1/sp

Distributor and Collector objects moved to Storage
Working on SpCellList (now compiles, but not testd).
Editing McMd analyzers/system *.dox files
Adding a few more McMd analyzers.
Adding *.dox files for McMd analyzers.
Fixing bug in doc/manual/features/inter/interactions.dox
Adding *.dox files for more analyzers
Superficial changes in McMd, mv README -> CONTENTS
Merge pull request #28 from polymer1/sp

Modified makefiles for Parallel Compilation
Editing src/CONTENTS
Adding new *.dox files for analyzers, editing others.
Editing *.dox files for integrators, some analyzers.