Removed references to basic_object.hpp.
Fixed location of generated C-API config.
Changed File.exists? to .exist?.
Removed non-1.8.7 C-API files.
Removed obsolete projects directory.
Moved mri_oop.h to capi_oop.h.
Updated libtommath from master.
changes to make custom program name to work.

call mspec with -t and custom program name.
fix spec to check custom program name.
Updated some C-API headers.
More encoding.
More encoding.
Removed Oniguruma encoding, transcoding.
Removed Character, Encoding.
Ignore generated C-API config.h.
Removed Encoding references.
Removed Encoding from String.
Removed encoding converter config.
Fixed more header includes and removed more Encoding.
Pulled .gitignore from master.
Added .bundle/config.