Relocate docs/ --> doc/, like most other projects have

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

doc/distro.md

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+Distro Recommendations
+======================
+
+By default Finit uses the following directories for configuration files:
+
+```
+    /etc/
+      |-- finit.d/              -- Regular (enabled) services
+      |    |-- lighttpd.conf
+      |     `- *.conf
+      |-- finit.conf            -- Bootstrap tasks and services
+      :
+```
+
+To enable a service one simply drops a small configuration file in the
+`/etc/finit.d/` directory.  This practice works will with systems that
+keep disabled services elsewhere, or generates them as needed from some
+other tool.
+
+Disitributions, however, may want a clearer separation of enabled and
+available (installed but not enabled) services.  They may even want to
+customize the directories used, for brand labling or uniformity.
+
+To that end Finit allows for a sub-directory `/etc/finit.d/available/`
+where installed but disabled services can reside.  Adding a symlink to a
+configuration in this sub-directory enables the service, but it will not
+be started.
+
+To change the default configuration directory and configuration file
+names the Finit `configure` script offers the following two options at
+build time:
+
+```sh
+./configure --with-rcsd=/etc/init.d --with-config=/etc/init.d/init.conf
+```
+
+The resulting directory structure is depicted below.  Please notice how
+`/etc/finit.conf` now resides in the same sub-directory as a non-symlink
+`/etc/init.d/init.conf`:
+
+```
+    /etc/
+      |-- init.d/
+      |    |-- available/      -- Regular (disabled) services
+	  |    |    |-- httpd.conf
+	  |    |    |-- ntpd.conf
+	  |    |    `-- sshd.conf
+	  |    |-- sshd.conf       -- Symlink to available/sshd.conf
+      |     `- init.conf       -- Bootstrap tasks and services
+      :
+```
+
+To facilitate the task of managing configurations, be it a service,
+task, run, or other stanza, the `initctl` tool has a a few built-in
+commands:
+
+```
+   list              List all .conf in /etc/finit.d/
+   enable   <CONF>   Enable   .conf in /etc/finit.d/available/
+   disable  <CONF>   Disable  .conf in /etc/finit.d/[enabled/]
+   reload            Reload  *.conf in /etc/finit.d/ (activates changes)
+```
+
+To enable a service like `sshd.conf`, above, use
+
+    initctl enable sshd
+
+The `.conf` suffix is not needed, `initctl` adds it implicitly if it is
+missing.  The `disable` command works in a similar fashion.
+
+Note, however, that `initctl` only operates on symlinks and it always
+requires the `available/` sub-directory.  Any non-symlink in the parent
+directory, here `/etc/init.d/`, will be considered a system override by
+`initctl`.
+