add make to list of software dependenies

Author: sjenning

contributing_to_docs/tools_and_setup.adoc

@@ -77,7 +77,8 @@ live content editing on a Fedora Linux system.
 2. Install _Ruby_ development packages with `yum install ruby-devel`
 3. Install _gcc_ with `yum install gcc-c++`
 4. Install _redhat-rpm-config_ with `yum install redhat-rpm-config`
-5. Install the _ascii_binder_ gem with `gem install ascii_binder`
+5. Install _make_ with `yum install make`
+6. Install the _ascii_binder_ gem with `gem install ascii_binder`
 
 NOTE: If you already have AsciiBinder installed, you may be due for an update. These directions assume that you are using AsciiBinder 0.0.8 or newer. To check and update if necessary, simply run `gem update ascii_binder`. Note that you may need root permissions.