Adds yaml-cpp submodule
Adds new build process

build.sh is a one-step build
cmake/yaml-cpp-CMakeLists.txt is a replacement CMakeLists.txt for yaml-cpp
CMakeLists.txt has been modified to remove the old GetProject code
Removes GetProject leftovers from cmake/
Removes GetProject remnants from CMakeLists.txt
Merge branch 'new_package_layout' into develop
Updates build.mk to support build from non-git-based source archives.
Makes build.sh export CC and CXX on OS X
Adds 'update' step to git submodule initialization
Updates the README with a link to the models
Removes dependencies on the MPI library
Adds -pthread to ensure the threaded runtime is linked against
Modifies build.sh to use unprivileged git link
Fixes accidental inclusion of Stars.cpp which was breaking library creation
Makes base9 build a shared library

Removes linking from base9 shared and static libraries, and adds the required libraries to the executables which link to libbase9.
Only sampleWDMass and mpiMcmc have been updated this way. Any other applications will need to be updated in future.
Removes dynamic base9 library
Fixes check for exp in CMakeLists
Adds BASE9 R library
Changes msRgbEvol linearTransform method from interp to default (extrap)
Copy from sampleWDMass to sampleMass
Switches .res file loading to use istream