Address Issue 1761: Grid status from Help menu

Adds Grid Status... item to Help menu

Translators:
add WebLaunchGridStatus notification translation to notifications.xml
add Grid Status... menu item translation to menu_viewer.xml and menu_login.xml

Adds menu visibility function "VisibleSecondLife" for hiding things that shouldn't be shown on OpenSim
Hides SL issue tracker and wiki menu items on non-SL grids

indra/newview/llviewermenu.cpp

@@ -8867,6 +8867,15 @@ class SinguVisibleDebugConsole : public view_listener_t
 	}
 };
 
+class VisibleSecondLife : public view_listener_t
+{
+	bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
+	{
+		gMenuHolder->findControl(userdata["control"].asString())->setValue(gHippoGridManager->getCurrentGrid()->isSecondLife());
+		return true;
+	}
+};
+
 class VisibleNotSecondLife : public view_listener_t
 {
 	bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
@@ -9527,6 +9536,7 @@ void initialize_menus()
 	}
 // [/RLVa:KB]
 
+	addMenu(new VisibleSecondLife(), "VisibleSecondLife");
 	addMenu(new VisibleNotSecondLife(), "VisibleNotSecondLife");
 
 	// List-bound menus

indra/newview/skins/default/xui/en-us/menu_login.xml

@@ -55,5 +55,9 @@
 		     mouse_opaque="true" name="About Second Life..." width="166">
 			<on_click function="ShowFloater" userdata="about" />
 		</menu_item_call>
+		<menu_item_call label="Grid Status..." name="Grid Status...">
+			<on_click function="PromptShowURL" userdata="WebLaunchGridStatus,http://status.secondlifegrid.net/"/>
+			<on_visible function="VisibleSecondLife"/>
+		</menu_item_call>
 	</menu>
 </menu_bar>

indra/newview/skins/default/xui/en-us/menu_viewer.xml

@@ -928,6 +928,11 @@
 		     left="0" mouse_opaque="true" name="Official Linden Blog..." width="166">
 			<on_click function="PromptShowURL" name="OfficialLindenBlog_url"
 			     userdata="WebLaunchSupportWiki,http://blog.secondlife.com/" />
+			<on_visible function="VisibleSecondLife"/>
+		</menu_item_call>
+		<menu_item_call label="Grid Status..." name="Grid Status...">
+			<on_click function="PromptShowURL" userdata="WebLaunchGridStatus,http://status.secondlifegrid.net/"/>
+			<on_visible function="VisibleSecondLife"/>
 		</menu_item_call>
 		<menu_item_separator bottom="-102" enabled="true" height="8" label="-----------" left="0"
 		     mouse_opaque="true" name="separator2" width="166" />
@@ -957,11 +962,13 @@
 			     left="0" mouse_opaque="true" name="Public Issue Tracker..." width="166">
 				<on_click function="PromptShowURL" name="PublicIssueTracker_url"
 				     userdata="WebLaunchPublicIssue,http://jira.secondlife.com" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_call bottom="-94" enabled="true" height="19" label="Public Issue Tracker Help..."
 			     left="0" mouse_opaque="true" name="Publc Issue Tracker Help..." width="166">
 				<on_click function="PromptShowURL" name="PublicIssueTrackerHelp_url"
 				     userdata="WebLaunchPublicIssueHelp,http://wiki.secondlife.com/wiki/Issue_tracker" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_call bottom="-94" enabled="true" height="19" label="[SHORT_APP_NAME] Issue Tracker..."
 			     left="0" mouse_opaque="true" name="Singularity Issue Tracker..." width="166">
@@ -973,22 +980,26 @@
 			     mouse_opaque="true" name="Bug Reporting 101..." width="166">
 				<on_click function="PromptShowURL" name="BugReporting101_url"
 				     userdata="WebLaunchBugReport101,http://wiki.secondlife.com/wiki/Bug_Reporting_101" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_call bottom="-94" enabled="true" height="19" label="Security Issues..." left="0"
 			     mouse_opaque="true" name="Security Issues..." width="166">
 				<on_click function="PromptShowURL" name="SecurityIssues_url"
 				     userdata="WebLaunchSecurityIssues,http://wiki.secondlife.com/wiki/Security_issues" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_call bottom="-94" enabled="true" height="19" label="QA Wiki..." left="0"
 			     mouse_opaque="true" name="QA Wiki..." width="166">
 				<on_click function="PromptShowURL" name="QAWiki_url"
 				     userdata="WebLaunchQAWiki,http://wiki.secondlife.com/wiki/QA_Portal" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_separator name="separator9"/>
 			<menu_item_call bottom="-240" enabled="true" height="19" label="Report Bug..." left="0"
 			     mouse_opaque="true" name="Report Bug..." width="166">
 				<on_click function="PromptShowURL" name="ReportBug_url"
 				     userdata="WebLaunchPublicIssue,http://jira.secondlife.com" />
+				<on_visible function="VisibleSecondLife"/>
 			</menu_item_call>
 			<menu_item_call bottom="-240" enabled="true" height="19" label="Report [SHORT_APP_NAME] Bug..." left="0"
 			     mouse_opaque="true" name="Report [SHORT_APP_NAME] Bug..." width="166">

indra/newview/skins/default/xui/en-us/notifications.xml

@@ -3428,6 +3428,18 @@ Open your system Web browser to view this content?
      yestext="OK"/>
   </notification>
 
+  <notification
+   icon="alertmodal.tga"
+   name="WebLaunchGridStatus"
+   type="alertmodal">
+Go to the Official [SECOND_LIFE] grid status page?
+    <usetemplate
+     ignoretext="When launching web browser to view the grid status"
+     name="okcancelignore"
+     notext="Cancel"
+     yestext="OK"/>
+  </notification>
+
   <notification
    icon="alertmodal.tga"
    name="WebLaunchJoinNow"