Add missing command/configuration object

Add missing 'command' and 'configuration' object into
command object list, add command, module, host commands
describe in command-objects, and add 'mask' and 'unmask'
options in configuration command details, fix some format
issues by the way.

Change-Id: Iea80c7b1e413e02e49b9090b9d3cb9c59aab4c38

doc/source/command-objects/command.rst

@@ -0,0 +1,17 @@
+=======
+command
+=======
+
+Internal
+
+Installed commands in the OSC process.
+
+command list
+------------
+
+List recognized commands by group
+
+.. program:: command list
+.. code:: bash
+
+    os command list

doc/source/command-objects/configuration.rst

@@ -16,3 +16,12 @@ show different configurations.
 .. code:: bash
 
     os configuration show
+        [--mask | --unmask]
+
+.. option:: --mask
+
+    Attempt to mask passwords (default)
+
+.. option:: --unmask
+
+    Show password in clear text

doc/source/command-objects/host.rst

@@ -0,0 +1,37 @@
+====
+host
+====
+
+Compute v2
+
+The physical computer running a hypervisor.
+
+host list
+---------
+
+List all hosts
+
+.. program:: host list
+.. code:: bash
+
+    os host list
+        [--zone <availability-zone>]
+
+.. option:: --zone <availability-zone>
+
+    Only return hosts in the availability zone
+
+host show
+---------
+
+Display host details
+
+.. program:: host show
+.. code:: bash
+
+    os host show
+        <host>
+
+.. describe:: <host>
+
+    Name of host

doc/source/command-objects/module.rst

@@ -0,0 +1,22 @@
+======
+module
+======
+
+Internal
+
+Installed Python modules in the OSC process.
+
+module list
+-----------
+
+List module versions
+
+.. program:: module list
+.. code:: bash
+
+    os module list
+        [--all]
+
+.. option:: --all
+
+    Show all modules that have version information

doc/source/commands.rst

@@ -74,6 +74,8 @@ referring to both Compute and Volume quotas.
 * ``aggregate``: (**Compute**) a grouping of servers
 * ``backup``: (**Volume**) a volume copy
 * ``catalog``: (**Identity**) service catalog
+* ``command``: (**Internal**) installed commands in the OSC process
+* ``configuration``: (**Internal**) openstack client configuration
 * ``console log``: (**Compute**) server console text dump
 * ``console url``: (**Compute**) server remote console URL
 * ``consumer``: (**Identity**) OAuth-based delegatee
@@ -86,7 +88,7 @@ referring to both Compute and Volume quotas.
 * ``federation protocol``: (**Identity**) the underlying protocol used while federating identities
 * ``flavor``: (**Compute**) predefined server configurations: ram, root disk, etc
 * ``group``: (**Identity**) a grouping of users
-* ``host``: Compute - the physical computer running a hypervisor
+* ``host``: (**Compute**) - the physical computer running a hypervisor
 * ``hypervisor``: (**Compute**) the virtual machine manager
 * ``hypervisor stats``: (**Compute**) hypervisor statistics over all compute nodes
 * ``identity provider``: (**Identity**) a source of users and authentication
@@ -97,7 +99,7 @@ referring to both Compute and Volume quotas.
 * ``keypair``: (**Compute**) an SSH public key
 * ``limits``: (**Compute**, **Volume**) resource usage limits
 * ``mapping``: (**Identity**) a definition to translate identity provider attributes to Identity concepts
-* ``module``: internal - installed Python modules in the OSC process
+* ``module``: (**Internal**) - installed Python modules in the OSC process
 * ``network``: (**Compute**, **Network**) - a virtual network for connecting servers and other resources
 * ``object``: (**Object Storage**) a single file in the Object Storage
 * ``policy``: (**Identity**) determines authorization