Documentation/mono.txt: convert to ReST markup

- Fix document title;
- use quote blocks where needed;
- use .. note:: for notes;
- use monotonic fonts for config options and file names;
- adjust whitespaces and blank lines;
- add it to the user's book.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/mono.txt

@@ -19,19 +19,19 @@ other program after you have done the following:
 	http://www.go-mono.com/compiling.html
 
    Once the Mono CLR support has been installed, just check that
-   /usr/bin/mono (which could be located elsewhere, for example
-   /usr/local/bin/mono) is working.
+   ``/usr/bin/mono`` (which could be located elsewhere, for example
+   ``/usr/local/bin/mono``) is working.
 
 2) You have to compile BINFMT_MISC either as a module or into
-   the kernel (CONFIG_BINFMT_MISC) and set it up properly.
+   the kernel (``CONFIG_BINFMT_MISC``) and set it up properly.
    If you choose to compile it as a module, you will have
    to insert it manually with modprobe/insmod, as kmod
    cannot be easily supported with binfmt_misc.
-   Read the file 'binfmt_misc.txt' in this directory to know
+   Read the file ``binfmt_misc.txt`` in this directory to know
    more about the configuration process.
 
-3) Add the following entries to /etc/rc.local or similar script
-   to be run at system startup:
+3) Add the following entries to ``/etc/rc.local`` or similar script
+   to be run at system startup::
 
     # Insert BINFMT_MISC module into the kernel
     if [ ! -e /proc/sys/fs/binfmt_misc/register ]; then
@@ -56,11 +56,13 @@ else
         exit 1
     fi
 
-4) Check that .exe binaries can be ran without the need of a
-   wrapper script, simply by launching the .exe file directly
-   from a command prompt, for example:
+4) Check that ``.exe`` binaries can be ran without the need of a
+   wrapper script, simply by launching the ``.exe`` file directly
+   from a command prompt, for example::
 
 	/usr/bin/xsd.exe
 
-   NOTE: If this fails with a permission denied error, check
-         that the .exe file has execute permissions.
+   .. note::
+
+      If this fails with a permission denied error, check
+      that the ``.exe`` file has execute permissions.