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_symbols2.xml b/java/res/xml/rowkeys_symbols2.xml
index 47865a9..34b9aa2 100644
--- a/java/res/xml/rowkeys_symbols2.xml
+++ b/java/res/xml/rowkeys_symbols2.xml
@@ -28,13 +28,13 @@
     <Key
         latin:keyStyle="currencyKeyStyle" />
     <Key
-        latin:keyLabel="!label/keylabel_for_symbols_percent"
-        latin:moreKeys="!label/more_keys_for_symbols_percent" />
+        latin:keyLabel="!text/keylabel_for_symbols_percent"
+        latin:moreKeys="!text/more_keys_for_symbols_percent" />
     <Key
         latin:keyLabel="&amp;" />
     <Key
         latin:keyLabel="*"
-        latin:moreKeys="!label/more_keys_for_star" />
+        latin:moreKeys="!text/more_keys_for_star" />
     <!-- U+2013: "–" EN DASH
          U+2014: "—" EM DASH -->
     <Key
@@ -42,7 +42,7 @@
         latin:moreKeys="_,&#x2013;,&#x2014;" />
     <Key
         latin:keyLabel="+"
-        latin:moreKeys="!label/more_keys_for_plus" />
+        latin:moreKeys="!text/more_keys_for_plus" />
     <include
         latin:keyboardLayout="@xml/keys_parentheses" />
 </merge>