Added extra text to 'host started' dialog.

remoting/webapp/_locales/en/messages.json

 {
   "ACCESS_CODE": {
     "message": "Access code",
     "description": "Label for the access code entry box. This is where the client user enters the code that permits access to the host."
   },
   "ACCESS_CODE_TIMER": {
     "message": "This access code will expire in $timeout$",
     "description": "Text displayed when the access code is due to time out within 30 seconds.",
     "placeholders": {
       "timeout": {
@@ skipping 228 matching lines @@
     "description": "Message shown when user has attempted to continue past the manual install dialog, but the Host components are not yet installed."
   },
   "HOST_SETUP_REGISTRATION_FAILED": {
     "message": "Failed to register this computer.",
     "description": "Message shown when host registration fails when enabling the host on local computer."
   },
   "HOST_SETUP_STARTED": {
     "message": "Remote connections for this computer have been enabled.",
     "description": "Message shown after access to local computer has been enabled successfully."
   },
+  "HOST_SETUP_STARTED_DISABLE_SLEEP": {
+    "message": "Please check your computer's power management settings and ensure that it is not configured to sleep when idle.",
+    "description": "Instructions to the user to ask them to disable power management for the computer in order to be able to connect to it."
+  },
   "HOST_SETUP_STARTING": {
     "message": "enabling remote connections for this computer\u2026",
     "description": "Message shown when local machine is being registered in the directory and when starting the host."
   },
   "HOST_SETUP_STOP_FAILED": {
     "message": "Failed to disable remote access to this computer. Please try again later.",
     "description": "Message shown after we've failed to stop the host."
   },
   "HOST_SETUP_STOPPED": {
     "message": "Remote connections for this computer have been disabled.",
@@ skipping 189 matching lines @@
   },
   "WARNING_NAT_DISABLED": {
     "message": "NOTE: Policy settings permit connections only between computers within your network.",
     "description": "Message displayed at the bottom of the host screen if local policy dictates that NAT traversal is disabled, meaning that connections outside the local network will not work."
   },
   "WHY_IS_THIS_SAFE": {
     "message": "Why is this safe?",
     "description": "Help link displayed when the user enables the host on this computer. Clicking this link opens a page that explains why this operation is safe."
   }
 }