Create .gitignore for Autotools

Run following commands;
  curl www.gitignore.io/api/autotools > .gitignore
  echo '/autoscan.log'  >> .gitignore
  echo '/config.log'    >> .gitignore
  echo '/config.status' >> .gitignore
  echo '/Makefile'      >> .gitignore
Create Makefile.am
Create configure.ac

Run following commands;
  autoscan
  mv configure.scan configure.ac

GNU Autoconf version is 2.69
Add "AM_INIT_AUTOMAKE" to "configure.ac" for automake
Create AUTHORS
Create empty ChangeLog, NEWS and README
Create COPYING and INSTALL from template

Run "automake -ac"
Merge branch 'autotools'
Don't ignore some files for distributing

Remove following files from .gitignore
  configure
  Makefile.in
  missing
  install-sh
Create "configure", "Makefile.in", "install-sh" and "missing"

Run following commands;
  aclocal
  autoconf
  automake -ac

GNU Automake version is 1.14.1
GNU Autoconf version is 2.69
Revert all commits on "dist" branch

from 67163620d1922d22f6fd9b8ba18ea30d849982aa.
to 6251d1f825734cd7b69db5af09500cf504223be9.
Merge branch 'dist'