README: Add first part of installation instructions.
-rw-r--r-- 981 .gitignore
-rw-r--r-- 35147 COPYING
-rw-r--r-- 45 Makefile.am
-rw-r--r-- 4695 README
-rw-r--r-- 3065 configure.ac
drwxr-xr-x - m4
drwxr-xr-x - src
drwxr-xr-x - tests