use conventional util name and update koreader-base

frontend/apps/filemanager/filemanagersearch.lua

@@ -9,7 +9,7 @@ local Screen = require("ui/screen")
 local _ = require("gettext")
 local Font = require("ui/font")
 local UIToolbox = require("ui/uitoolbox")
-local Util = require("ffi/util")
+local util = require("ffi/util")
 
 local calibre = "metadata.calibre"
 local koreaderfile = "temp/metadata.koreader"
@@ -240,7 +240,7 @@ function Search:find(option)
             s=string.sub(s,n,string.len(s)-j)
         end
 
-        s=string.gsub(s,"\\u([a-f0-9][a-f0-9][a-f0-9][a-f0-9])",function(w) return Util.unichar(tonumber(w, 16)) end)
+        s=string.gsub(s,"\\u([a-f0-9][a-f0-9][a-f0-9][a-f0-9])",function(w) return util.unichar(tonumber(w, 16)) end)
 
         return s
     end
@@ -568,7 +568,7 @@ function Search:browse(option,run,chosen)
     if run == 1 then
         self.results = {}
         if option == "series" then
-            for v,n in Util.orderedPairs(self.browse_series) do
+            for v,n in util.orderedPairs(self.browse_series) do
                 dummy = v
                 if not SEARCH_CASESENSITIVE then dummy = string.upper(dummy) end
                 if string.find(dummy,upsearch,nil,true) then
@@ -581,7 +581,7 @@ function Search:browse(option,run,chosen)
                 end
            end
         else
-            for v,n in Util.orderedPairs(self.browse_tags) do
+            for v,n in util.orderedPairs(self.browse_tags) do
                 dummy = v
                 if not SEARCH_CASESENSITIVE then dummy = string.upper(dummy) end
                 if string.find(dummy,upsearch,nil,true) then

frontend/apps/filemanager/filemanagersetdefaults.lua

@@ -9,7 +9,7 @@ local CenterContainer = require("ui/widget/container/centercontainer")
 local Screen = require("ui/screen")
 local Menu = require("ui/widget/menu")
 local Font = require("ui/font")
-local Util = require("ffi/util")
+local util = require("ffi/util")
 
 local SetDefaults = InputContainer:new{
     defaults_name = {},
@@ -62,7 +62,7 @@ function SetDefaults:init()
 
     if not self.already_read then
         local i = 0
-        for n,v in Util.orderedPairs(_G) do
+        for n,v in util.orderedPairs(_G) do
             if (not string.find(tostring(v), "<")) and (not string.find(tostring(v), ": ")) and string.sub(n,1,1) ~= "_" and string.upper(n) == n and n ~= "LIBRARY_PATH" then
                 i = i + 1
                 self.defaults_name[i] = n
@@ -177,7 +177,7 @@ function SetDefaults:init()
                                             _G[self.defaults_name[i]] = MultiInputDialog:getCredential()
 
                                             self.defaults_value[i] = "{"
-                                            for k,v in Util.orderedPairs(_G[self.defaults_name[i]]) do
+                                            for k,v in util.orderedPairs(_G[self.defaults_name[i]]) do
                                                 if tonumber(k) then
                                                     self.defaults_value[i] = self.defaults_value[i] .. v .. ", "
                                                 else

frontend/ui/widget/multiinputdialog.lua

@@ -9,7 +9,7 @@ local Geom = require("ui/geometry")
 local Screen = require("ui/screen")
 local DEBUG = require("dbg")
 local _ = require("gettext")
-local Util = require("ffi/util")
+local util = require("ffi/util")
 
 local InfoMessage = require("ui/widget/infomessage")
 local input_field
@@ -32,7 +32,7 @@ function MultiInputDialog:init()
 
     input_field = {}
     local k = 0
-    for i,j in Util.orderedPairs(self.field) do
+    for i,j in util.orderedPairs(self.field) do
         k = k + 1
         input_field[k] = InputText:new{
             text = tostring(i) .. " = " .. tostring(j),