Fix confusable "label" usage, use "text" instead

* Rename makelabel tool to maketext
* Rename KeyboardLablesSet class to KeyboardTextsSet
* Rename "!label/name" to "!text/name"

Change-Id: Ia9494a89fe56f20ca8e8fedb253adbcf8b771bd3
diff --git a/java/res/xml/rowkeys_qwerty3.xml b/java/res/xml/rowkeys_qwerty3.xml
index afe43f6..a74aeb8 100644
--- a/java/res/xml/rowkeys_qwerty3.xml
+++ b/java/res/xml/rowkeys_qwerty3.xml
@@ -23,20 +23,20 @@
 >
     <Key
         latin:keyLabel="z"
-        latin:moreKeys="!label/more_keys_for_z" />
+        latin:moreKeys="!text/more_keys_for_z" />
     <Key
         latin:keyLabel="x" />
     <Key
         latin:keyLabel="c"
-        latin:moreKeys="!label/more_keys_for_c" />
+        latin:moreKeys="!text/more_keys_for_c" />
     <Key
         latin:keyLabel="v"
-        latin:moreKeys="!label/more_keys_for_v" />
+        latin:moreKeys="!text/more_keys_for_v" />
     <Key
         latin:keyLabel="b" />
     <Key
         latin:keyLabel="n"
-        latin:moreKeys="!label/more_keys_for_n" />
+        latin:moreKeys="!text/more_keys_for_n" />
     <Key
         latin:keyLabel="m" />
 </merge>