Imported latest version of autogen.sh from https://github.com/dajobe/raptor/blob/master/autogen.sh @8273d782246b58e4a3d071cb2517c2746478e049
Added some more build-scripts to .gitignore
Make the RedStore configure.ac look more like the raptor configure.ac
Moved automake options from Makefile.am into configure.ac