Rename PopupCharactersParser to MoreKeySpecParser

Also renames PopupPanel to MoreKeysPanel

Change-Id: I37209a5a8fe7dbba1eef03e3be88ba5253653926
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 28cbc95..923e37d 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -27,7 +27,7 @@
     <bool name="config_enable_bigram_suggestions_option">true</bool>
     <bool name="config_enable_usability_study_mode_option">false</bool>
     <bool name="config_sliding_key_input_enabled">true</bool>
-    <bool name="config_digit_popup_characters_enabled">true</bool>
+    <bool name="config_digit_more_keys_enabled">true</bool>
     <!-- Whether or not Popup on key press is enabled by default -->
     <bool name="config_default_popup_preview">true</bool>
     <!-- Default value for bigram suggestion: while showing candidates for a word should we weigh
@@ -67,7 +67,7 @@
     <!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
     <string name="config_default_keyboard_theme_id" translatable="false">5</string>
     <string name="config_text_size_of_language_on_spacebar" translatable="false">small</string>
-    <integer name="config_max_mini_keyboard_column">5</integer>
+    <integer name="config_max_more_keys_column">5</integer>
     <string-array name="auto_correction_threshold_values" translatable="false">
         <!-- Off, When auto correction setting is Off, this value is not used. -->
         <item></item>