Set up new build system: automake

- Removed multi-platform Makefile for now.
- Added automake scripts for two seperate Makefiles.
- Added placeholder README files.
- Added autoconf configure script to generate configure script.
- Removed version number from AIPS.h in favor of putting it in configure
  script.
- Moved sources to new src folder.
Added result of autoreconf --install
Added automake config.h to AIPS includes.