Fix some wording for group conversations

Closes #6204
Fixes #6193

// FREEBIE

res/menu/conversation_push_group_options.xml

@@ -2,7 +2,7 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:id="@+id/menu_edit_group"
-          android:title="@string/conversation__menu_update_group"
+          android:title="@string/conversation__menu_edit_group"
           app:showAsAction="collapseActionView" />
 
     <item android:id="@+id/menu_leave"

res/menu/group_create.xml

@@ -2,7 +2,7 @@
 
 <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <item android:title="@string/GroupCreateActivity_menu_create_title"
+    <item android:title="@string/GroupCreateActivity_menu_apply_button"
           android:id="@+id/menu_create_group"
           android:icon="?menu_accept_icon"
           app:showAsAction="always|withText"/>

res/values/strings.xml

@@ -285,7 +285,7 @@
     
     <!-- GroupCreateActivity -->
     <string name="GroupCreateActivity_actionbar_title">New group</string>
-    <string name="GroupCreateActivity_actionbar_update_title">Update group</string>
+    <string name="GroupCreateActivity_actionbar_edit_title">Edit group</string>
     <string name="GroupCreateActivity_group_name_hint">Group name</string>
     <string name="GroupCreateActivity_actionbar_mms_title">New MMS group</string>
     <string name="GroupCreateActivity_contacts_dont_support_push">You have selected a contact that doesn\'t support Signal groups, so this group will be MMS.</string>
@@ -294,7 +294,7 @@
     <string name="GroupCreateActivity_contacts_no_members">You need at least one person in your group!</string>
     <string name="GroupCreateActivity_contacts_invalid_number">One of the members of your group has a number that can\'t be read correctly. Please fix or remove that contact and try again.</string>
     <string name="GroupCreateActivity_avatar_content_description">Group avatar</string>
-    <string name="GroupCreateActivity_menu_create_title">Create group</string>
+    <string name="GroupCreateActivity_menu_apply_button">Apply</string>
     <string name="GroupCreateActivity_creating_group">Creating %1$s&#8230;</string>
     <string name="GroupCreateActivity_updating_group">Updating %1$s...</string>
     <string name="GroupCreateActivity_cannot_add_non_push_to_existing_group">Couldn\'t add %1$s because they\'re not a Signal user.</string>
@@ -1229,7 +1229,7 @@
 
     <!-- conversation -->
     <string name="conversation__menu_add_attachment">Add attachment</string>
-    <string name="conversation__menu_update_group">Update group</string>
+    <string name="conversation__menu_edit_group">Edit group</string>
     <string name="conversation__menu_leave_group">Leave group</string>
     <string name="conversation__menu_delete_thread">Delete conversation</string>
     <string name="conversation__menu_view_media">All images</string>

src/org/thoughtcrime/securesms/GroupCreateActivity.java

@@ -167,7 +167,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     } else {
       enableSignalGroupViews();
       getSupportActionBar().setTitle(groupToUpdate.isPresent()
-                                     ? R.string.GroupCreateActivity_actionbar_update_title
+                                     ? R.string.GroupCreateActivity_actionbar_edit_title
                                      : R.string.GroupCreateActivity_actionbar_title);
     }
   }