Update checklist action hint from insert to toggle (#632)

Author: theck13

Simplenote/src/main/res/menu/note_editor.xml

@@ -4,7 +4,7 @@
     <item
         android:id="@+id/menu_checklist"
         android:icon="@drawable/ic_checklist"
-        android:title="@string/insert_checklist"
+        android:title="@string/toggle_checklist"
         app:showAsAction="always" />
     <item
         android:id="@+id/menu_history"

Simplenote/src/main/res/menu/note_markdown.xml

@@ -7,7 +7,7 @@
         android:id="@+id/menu_checklist"
         android:enabled="false"
         android:icon="@drawable/ic_checklist"
-        android:title="@string/insert_checklist"
+        android:title="@string/toggle_checklist"
         app:showAsAction="always" />
 
     <item

Simplenote/src/main/res/menu/notes_list.xml

@@ -19,7 +19,7 @@
     <item
         android:id="@+id/menu_checklist"
         android:icon="@drawable/ic_checklist"
-        android:title="@string/insert_checklist"
+        android:title="@string/toggle_checklist"
         app:showAsAction="always"/>
 
     <item

Simplenote/src/main/res/values/strings.xml

@@ -230,6 +230,6 @@
     <string name="sort_tags_alphabetically">Sort alphabetically</string>
     <string name="appearance">Appearance</string>
     <string name="all_notes">All Notes</string>
-    <string name="insert_checklist">Insert checklist</string>
+    <string name="toggle_checklist">Toggle checklist</string>
 
 </resources>