Add some more install instructions.

System-configuration.md

@@ -22,7 +22,21 @@ $ sudo apt-get -t testing install gcc
 ```
 $ sudo apt-get install libzmq3-dev
 ```
-- For Red Hat, probably install [this](http://cbs.centos.org/koji/buildinfo?buildID=4716).
+- For Fedora (Red Hat), install `zeromq` and `zeromq-devel` (_or if not reachable probably [this](http://cbs.centos.org/koji/buildinfo?buildID=4716_).
+
+**Install YAML-CPP library**
+- For Debian:
+```
+$ sudo apt-get install libyaml-cpp0.5v5 libyaml-cpp-dev
+```
+- For Fedora (Red Hat), install `yaml-cpp` and `yaml-cpp-devel` packages.
+
+**Install libcurl library**
+- For Debian:
+```
+$ sudo apt-get install libcurl4-gnutls-dev
+```
+- For Fedora (Red Hat), install `libcurl-devel` package.
 
 
 ## Worker