LinuxTelnet service UI description added

Change-Id: I81349cc254939358e2d3d720e3067660bf6f66d8

muranodashboard/services/LinuxTelnet.yaml

@@ -0,0 +1,71 @@
+name: Linux Telnet Service
+type: linuxTelnetService
+
+description: >-
+  <strong> Linux Telnet Service </strong>
+  Demonstrates a simple linux agent, which installs Telnet if required.
+
+unitTemplates:
+  - {}
+
+forms:
+  - serviceConfiguration:
+      fields:
+        - name: name
+          type: string
+          label: Service Name
+          description: >-
+            To identify your service in logs please specify a service name
+        - name: dcInstances
+          type: instance
+          hidden: true
+          attributeNames: units
+          initial: 1
+        - name: deployTelnet
+          type: boolean
+          label: Deploy Telnet
+          description: >-
+             Indicates if the target machine has to get telnet deployed
+          initial: true
+          required: false
+        - name: unitNamingPattern
+          type: string
+          label: Hostname
+          description: >-
+            For your convenience instance hostname can be specified.
+            Enter a name or leave blank for random name generation.
+          required: false
+          regexpValidator: '^(([a-zA-Z0-9#][a-zA-Z0-9-#]*[a-zA-Z0-9#])\.)*([A-Za-z0-9#]|[A-Za-z0-9#][A-Za-z0-9-#]*[A-Za-z0-9#])$'
+          helpText: Optional field for a machine hostname
+          # temporaryHack
+          widgetMedia:
+            js: [muranodashboard/js/support_placeholder.js]
+            css: {all: [muranodashboard/css/support_placeholder.css]}
+  - instanceConfiguration:
+          fields:
+            - name: title
+              type: string
+              required: false
+              hidden: true
+              attributeNames: false
+              descriptionTitle: Instance Configuration
+              description: Specify some instance parameters on which service would be created.
+            - name: flavor
+              type: flavor
+              label: Instance flavor
+              description: >-
+                Select registered in Openstack flavor. Consider that service performance
+                depends on this parameter.
+              required: false
+            - name: osImage
+              type: image
+              imageType: linux
+              label: Instance image
+              description: >-
+                Select valid image for a service. Image should already be prepared and
+                registered in glance.
+            - name: availabilityZone
+              type: azone
+              label: Availability zone
+              description: Select availability zone where service would be installed.
+              required: false