Move release notes to plugin-guide

Change-Id: Id7dbdc5173f1234c94365c02090e788443340f97

README.md

@@ -31,12 +31,12 @@ To install Zabbix plugin, follow these steps:
     that. If you do not have the Fuel Master node yet, see
     [Quick Start Guide](https://software.mirantis.com/quick-start/) :
 
-        # scp zabbix_monitoring-2.0-2.0.0-0.noarch.rpm root@<Fuel_Master_ip>:/tmp
+        # scp zabbix_monitoring-<version>.noarch.rpm root@<Fuel_Master_ip>:/tmp
 
 3. Install the plugin:
 
         # cd /tmp
-        # fuel plugins --install zabbix_monitoring-2.0-2.0.0-0.noarch.rpm
+        # fuel plugins --install zabbix_monitoring-<version>.noarch.rpm
 
 4. Check if the plugin was installed successfully:
 
@@ -45,6 +45,9 @@ To install Zabbix plugin, follow these steps:
         ---|-------------------|---------|----------------
         1  | zabbix_monitoring | 2.0.0   | 3.0.0
 
+For further details see the Zabbix Plugin Guide in the
+[Fuel Plugins Catalog](https://software.mirantis.com/fuel-plugins)
+
 Zabbix plugin configuration
 ----------------------------
 
@@ -54,15 +57,11 @@ Zabbix plugin configuration
    * username/password - access credentials for Zabbix Administrator
    * database password - password for Zabbix database in MySQL
 4. Deploy the environment.
-5. Zabbix frontend is available at: http://<VIP>/zabbix
+5. Zabbix frontend is available at: http://<public_VIP>/zabbix
 
 For more information and instructions, see the Zabbix Plugin Guide in the
 [Fuel Plugins Catalog](https://software.mirantis.com/fuel-plugins)
 
-Release Notes
--------------
-
-This is the first release of the plugin.
 
 Contributors
 ------------

doc/plugin-guide/source/description.rst

@@ -16,6 +16,29 @@ Requirement                        Version/Comment
 Fuel                               7.0 and higher
 ================================== ===============
 
+Release Notes
+=============
+
+**2.5**
+
+* Add Ceph metrics
+* Configuration tunning for server and agents
+* Check processes nova-conductor and nova-novncproxy
+* Add MySQL cluster metrics (wsrep global variables)
+* Embed all package dependencies
+
+**2.0**
+
+* Compatibility with MOS 7.0
+* Disable user Guest in zabbix
+* Use HTTPS Zabbix UI
+* Use dedicated VIP for Zabbix server
+
+**1.0**
+
+* This is the first release of the plugin.
+
+
 
 Limitations
 ===========