Move generated config.h in whisperlib/base, so we can install the file with the other header files.
Include whisperlib/base/config.h instead of config.h, which was not installed.
Install whisperlib/base/config.h
Generate the config.h file in whisperlib/base.
Removed.
Updated.
Fix typo.
Moved the custom m4 macros in the m4/ directory.
Updated.
Blurb on how to regenerate the build files.