This simplifies the scripts somewhat and the autoconf system quite a bit.
To specify a non-default location for the config, export a directory
in FIREHOL_OVERRIDE_PROGRAM_DIR and ensure it has an install.config
and functions.common.
Use configure.ac to maintain version number
Remove redundant NEWS (ChangeLog) and AUTHORS (THANKS) files
Move hooks to their own directory
Rename README to README.md to format nicely on github
Generate README for tar by removing git specifics from README.md
Automate tagging when -rc or final version set in configure.ac
Improve pre-commit checking