Floating point values are read using a std::stringstream imbued with the "C"
locale to avoid problems with using std::atof when the user's locale uses a
character other than "." as the decimal separator.
Patch provided by Phillip Berndt.
Fixes Issue 153.
These changes make it unnecessary to copy header files around during
the build process, which tends to confuse IDEs and debuggers. The
headers which comprise Cantera's external C++ interface are now in
the 'include' directory.
All of the samples and demos are now in the 'samples' subdirectory.
