Clean etc directory

Move documentation to its proper place, and move the config generator
conf file at the root directory so it does not get installed with the
software.

Change-Id: Ib9e990fa1270a2179b2d8ea83a98d64ad0da345f

doc/source/configuration.rst

@@ -13,9 +13,22 @@
       License for the specific language governing permissions and limitations
       under the License.
 
-=======================
- Configuration Options
-=======================
+
+=============
+Configuration
+=============
+
+Configure Aodh by editing `/etc/aodh/aodh.conf`.
+
+No config file is provided with the source code, but one can be easily created
+by running:
+
+::
+
+    tox -e genconfig
+
+This command will create an `etc/aodh/aodh.conf` file which can be used as a
+base for the default configuration file at `/etc/aodh/aodh.conf`.
 
 For the list and description of configuration options that can be set for Aodh in
 order to set up the services please see the

etc/aodh/README-aodh.conf.txt

@@ -1,4 +0,0 @@
-To generate the sample aodh.conf file, run the following
-command from the top-level aodh directory:
-
-tox -egenconfig

tox.ini

@@ -12,7 +12,7 @@ setenv = VIRTUAL_ENV={envdir}
 passenv = OS_TEST_TIMEOUT OS_STDOUT_CAPTURE OS_STDERR_CAPTURE OS_LOG_CAPTURE
 commands =
    python setup.py testr --slowest --testr-args="{posargs}"
-   oslo-config-generator --config-file=etc/aodh/aodh-config-generator.conf
+   oslo-config-generator --config-file=aodh-config-generator.conf
 whitelist_externals = bash
 
 # TODO(ityaptin): With separation tests to unit and functional folders we need
@@ -76,7 +76,7 @@ deps = .[doc]
 commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:genconfig]
-commands = oslo-config-generator --config-file=etc/aodh/aodh-config-generator.conf
+commands = oslo-config-generator --config-file=aodh-config-generator.conf
 
 [testenv:docs]
 deps = .[doc]