MERGE OpenMD development 1783:1878 into trunk
Started fixing some samples for OpenMD 2.0 release
MERGE OpenMD development branch 1465:1781 into trunk
Fixing the build and install method for samples in Madelung, RNEMD, zeolite, SMIPD
Almost all of the changes necessary to create OpenMD out of our old project (OOPSE-4)
Adding Madelung energy sample directory with explanatory notes