update README.markdown to clearly indicate how to start using the concat module
-rw-r--r-- 1636 CHANGELOG
-rw-r--r-- 581 LICENSE
-rw-r--r-- 238 Modulefile
-rw-r--r-- 3093 README.markdown
-rw-r--r-- 241 Rakefile
drwxr-xr-x - files
drwxr-xr-x - lib
drwxr-xr-x - manifests
drwxr-xr-x - spec