Added rebake navmesh button. Brought in rest of the underlying navmesh implementation.

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

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+    height="25"
+    layout="topleft"
+    name="panel_navmesh_rebake"
+    mouse_opaque="false"
+    visible="true"
+    follows="none"
+    width="133">
+  <button
+      follows="none"
+      height="20"
+      label="Rebake region"
+      layout="topleft"
+      left="10"
+      name="navmesh_btn"
+      tool_tip="Click to rebake the region&apos;s navmesh."
+      bottom="-25"
+      visible="false"
+      enabled="true"
+      width="120" />
+  <button
+      follows="none"
+      height="20"
+      label="Requesting rebake"
+      layout="topleft"
+      left="10"
+      name="navmesh_btn_sending"
+      tool_tip="Sending rebake request to the server."
+      bottom="-25"
+      visible="false"
+      enabled="false"
+      width="120" />
+  <button
+      follows="left|bottom"
+      height="20"
+      label="Region is rebaking"
+      layout="topleft"
+      left="10"
+      name="navmesh_btn_baking"
+      tool_tip="Region is being rebaked.  When completed, this button will disappear."
+      bottom="-25"
+      visible="false"
+      enabled="false"
+      width="120" />
+</panel>

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

@@ -14,8 +14,8 @@
 				     name="padding" use_bounding_rect="true" user_resize="false" width="420" />
 				<layout_panel auto_resize="false" bottom="0" follows="left|bottom|right|top" height="20"
 				     left="0" min_height="20" min_width="100" mouse_opaque="false"
-				     name="state_buttons" use_bounding_rect="true" user_resize="false"
-				     width="420">
+				     name="state_management_buttons_container" use_bounding_rect="true" user_resize="false"
+				     width="799">
 					<button bottom="1" follows="left|bottom" font="SansSerif" halign="center" height="20"
 					     label="New IM" label_selected="New IM" left="0"
 					     name="New IM" scale_image="true"
@@ -25,7 +25,7 @@
 					     label="Set Not Busy" label_selected="Set Not Busy" left="114"
 					     name="Set Not Busy" scale_image="true"
 					     tool_tip="Chat and IM is hidden for you. Click here to set yourself not busy."
-					     width="102" />
+					     width="112" />
 					<button bottom="1" follows="left|bottom" font="SansSerif" halign="center" height="20"
 					     label="Flycam" label_selected="Flycam" left="229" name="Flycam" scale_image="true"
 					     tool_tip="Your camera is under joystick control, click here to release it."

indra/newview/skins/default/xui/fr/panel_overlaybar.xml

@@ -4,7 +4,7 @@
 		<layout_panel min_width="410" name="main_panel" width="410">
 			<layout_stack name="chatbar_and_buttons" right="410">
 				<layout_panel name="padding" width="410"/>
-				<layout_panel name="state_buttons" width="410">
+				<layout_panel name="state_management_buttons_container" width="410">
 					
 					<button label="Disponible" label_selected="Disponible" name="Set Not Busy" tool_tip="Le chat et les IM ne s&apos;affichent pas. Cliquez ici pour ne plus être en mode occupé(e)."/>
 					<button label="Flycam" label_selected="Flycam" name="Flycam" tool_tip="Votre caméra est contrôlée par le joystick, cliquez ici pour la libérer."/>