doc: update Fedora 24 build doc style

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

doc/developer/building-frr-for-fedora24.rst

@@ -1,46 +1,31 @@
 Fedora 24
-=========================================
+=========
 
 This document describes installation from source. If you want to build an RPM,
 see :ref:`packaging-redhat`.
 
-Install required packages
--------------------------
+Installing Dependencies
+-----------------------
 
-Add packages:
-
-::
+.. code-block:: console
 
    sudo dnf install git autoconf automake libtool make gawk \
-      readline-devel texinfo net-snmp-devel groff pkgconfig \
-      json-c-devel pam-devel pytest bison flex c-ares-devel \
-      python3-devel python3-sphinx
+     readline-devel texinfo net-snmp-devel groff pkgconfig json-c-devel \
+     pam-devel pytest bison flex c-ares-devel python3-devel python3-sphinx
 
 .. include:: building-libyang.rst
 
-Get FRR, compile it and install it (from Git)
----------------------------------------------
+Building & Installing FRR
+-------------------------
 
-**This assumes you want to build and install FRR from source and not
-using any packages**
+Compilation
+^^^^^^^^^^^
 
-Add frr groups and user
-^^^^^^^^^^^^^^^^^^^^^^^
+Clone the FRR git repo and use the included ``configure`` script to configure
+FRR's build time options to your liking. The full option listing can be
+obtained by running ``./configure -h``. The options shown below are examples.
 
-::
-
-    sudo groupadd -g 92 frr
-    sudo groupadd -r -g 85 frrvty
-    sudo useradd -u 92 -g 92 -M -r -G frrvty -s /sbin/nologin \
-      -c "FRR FRRouting suite" -d /var/run/frr frr
-
-Download Source, configure and compile it
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-(You may prefer different options on configure statement. These are just
-an example.)
-
-::
+.. code-block:: console
 
    git clone https://github.com/frrouting/frr.git frr
    cd frr
@@ -63,13 +48,23 @@ an example.)
        --with-pkg-git-version \
        --with-pkg-extra-version=-MyOwnFRRVersion
    make
-    make check
    sudo make install
 
+Add FRR groups and user
+^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+   sudo groupadd -g 92 frr
+   sudo groupadd -r -g 85 frrvty
+   sudo useradd -u 92 -g 92 -M -r -G frrvty -s /sbin/nologin \
+     -c "FRR FRRouting suite" -d /var/run/frr frr
+
+
 Create empty FRR configuration files
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-::
+.. code-block:: console
 
    sudo mkdir /var/log/frr
    sudo mkdir /etc/frr
@@ -93,25 +88,25 @@ Create empty FRR configuration files
 Install daemon config file
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-::
+.. code-block:: console
 
    sudo install -p -m 644 redhat/daemons /etc/frr/
    sudo chown frr:frr /etc/frr/daemons
 
-Edit /etc/frr/daemons as needed to select the required daemons
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Edit /etc/frr/daemons
+^^^^^^^^^^^^^^^^^^^^^
 
 Look for the section with ``watchfrr_enable=...`` and ``zebra=...`` etc.
-Enable the daemons as required by changing the value to ``yes``
+Enable the daemons as required by changing the value to ``yes``.
 
 Enable IP & IPv6 forwarding (and MPLS)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Create a new file ``/etc/sysctl.d/90-routing-sysctl.conf`` with the
-following content: (Please make sure to list all interfaces with
-required MPLS similar to ``net.mpls.conf.eth0.input=1``)
+Create a new file ``/etc/sysctl.d/90-routing-sysctl.conf`` with the following
+content (please make sure to list all interfaces with required MPLS similar to
+``net.mpls.conf.eth0.input=1``):
 
-::
+.. code-block:: console
 
    # Sysctl for routing
    #
@@ -127,14 +122,14 @@ required MPLS similar to ``net.mpls.conf.eth0.input=1``)
 
 Load the modified sysctl's on the system:
 
-::
+.. code-block:: console
 
    sudo sysctl -p /etc/sysctl.d/90-routing-sysctl.conf
 
 Create a new file ``/etc/modules-load.d/mpls.conf`` with the following
 content:
 
-::
+.. code-block:: console
 
    # Load MPLS Kernel Modules
    mpls-router
@@ -142,28 +137,22 @@ content:
 
 And load the kernel modules on the running system:
 
-::
+.. code-block:: console
 
    sudo modprobe mpls-router mpls-iptunnel
 
-Install frr Service and redhat init files
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Install system service files
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-::
+.. code-block:: console
 
    sudo install -p -m 644 redhat/frr.service /usr/lib/systemd/system/frr.service
    sudo install -p -m 755 redhat/frr.init /usr/lib/frr/frr
-
-Enable required frr at startup
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-::
-
    sudo systemctl enable frr
 
-Reboot or start FRR manually
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Start FRR
+^^^^^^^^^
 
-::
+.. code-block:: frr
 
    sudo systemctl start frr