Fix version tags and Travis-CI build
Fix missed autoconf version settings.
Add libtool if present to autogen.sh. Use libtoolize in autogen.sh if present.
Oddly installing libreadline-dev removed libtoolize. Very confusing.
Fix missed autoconf version settings.
Add libtool if present to autogen.sh. Use libtoolize in autogen.sh if present.
Oddly installing libreadline-dev removed libtoolize. Very confusing.