Edit tool_tips for uniform capitalization and punctuation

EXT-1675

Log, Speak and Gestures btns don't have tool-tips
EXT-1444

indra/newview/skins/default/xui/en/floater_animation_preview.xml

@@ -405,7 +405,7 @@ Maximum animation length is [MAX_LENGTH] seconds.
      layout="topleft"
      left_pad="0"
      name="preview_base_anim"
-     tool_tip="Use this to test your animation behavior while your avatar performs common actions">
+     tool_tip="Use this to test your animation behavior while your avatar performs common actions.">
         <combo_box.item
          label="Standing"
          name="Standing" />

indra/newview/skins/default/xui/en/panel_bottomtray.xml

@@ -79,7 +79,7 @@
              label="Move"
              layout="topleft"
              name="movement_btn"
-             tool_tip="Shows/Hide Movement controls" 
+             tool_tip="Shows/hides movement controls" 
              top="6"
              width="70">
                 <button.init_callback
@@ -116,7 +116,7 @@
              label="View"
              layout="topleft"
              left="0"
-             tool_tip="Shows/Hide Camera controls" 
+             tool_tip="Shows/hides camera controls" 
              top="6"
              name="camera_btn"
              width="70">
@@ -167,12 +167,12 @@
                  image_disabled_selected="camera_presets/camera_presets_arrow_right.png" 
                  image_disabled="camera_presets/camera_presets_arrow_right.png"
                  name="snapshot_settings"
-                 tool_tip="Snapshot Settings" />
+                 tool_tip="Snapshot settings" />
                 <split_button.item
                  image_selected="camera_presets/camera_presets_snapshot.png"
                  image_unselected="camera_presets/camera_presets_snapshot.png"
                  name="snapshot"
-                 tool_tip="Take Snapshot" />
+                 tool_tip="Take snapshot" />
             </split_button>                  
         </layout_panel>
         <layout_panel

indra/newview/skins/default/xui/en/panel_nearby_chat_bar.xml

@@ -18,7 +18,7 @@
      left_delta="7"
      left="0"
      name="chat_box"
-     tool_tip="Press Enter to say, Ctrl+Enter to shout."
+     tool_tip="Press Enter to say, Ctrl+Enter to shout"
      top="3"
      width="250" />
     <output_monitor
@@ -41,7 +41,8 @@
      layout="topleft" 
      left_pad="5"
      label="Log" 
-     height="20">
+     height="20"
+     tool_tip="Shows/hides nearby chat log">
     <button.commit_callback function="Floater.Toggle" parameter="nearby_chat"/>
     </button>
     <chiclet_talk
@@ -54,7 +55,9 @@
      left_pad="5"
      name="talk"
      top="3"
-     width="100" />
+     width="100"
+     speak_button.tool_tip="Turns microphone on/off"
+     show_button.tool_tip="Shows/hides voice control panel" />
     <gesture_combo_box
       follows="right"
      height="20"
@@ -63,5 +66,6 @@
      name="Gesture"
      left_pad="5"
      top="3"
-     width="90" />
+     width="90"
+     tool_tip="Shows/hides gestures" />
 </panel>

indra/newview/skins/default/xui/en/panel_preferences_chat.xml

@@ -29,7 +29,7 @@
          height="16"
          label="Medium"
          layout="topleft"
-         left_pad="12"
+         left_delta="145"
          name="radio2"
          top_delta="0"
          width="125" />
@@ -37,7 +37,7 @@
          height="16"
          label="Large"
          layout="topleft"
-         left_pad="12"
+         left_delta="170"
          name="radio3"
          top_delta="0"
          width="125" />

indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml

@@ -26,7 +26,7 @@
      height="16"
      label="Use fullscreen"
      layout="topleft"
-     left_delta="30"
+     left_delta="50"
      name="windowed mode"
      top_pad="4"
      width="175">
@@ -103,7 +103,7 @@
      increment="0.025"
      initial_value="1"
      layout="topleft"
-     left_delta="32"
+     left_delta="52"
      max_val="1.4"
      min_val="0.75"
      name="ui_scale_slider"
@@ -304,7 +304,7 @@
 		layout="topleft"
 		left_delta="0"
 		name="BasicShaders"
-		tool_tip="Disabling this option may prevent some graphics card drivers from crashing."
+		tool_tip="Disabling this option may prevent some graphics card drivers from crashing"
 		top_pad="1"
 		width="315">
 			<check_box.commit_callback