Landscape FM / Refactor rotation (#6309)

* landscape FM / Refactor rotation

refactor and simplify the orientation handling code. the user generally cares about the rotation (what direction the device is facing) and not about if koreader is displaying in portrait or landscape mode

* bump base

update luasocket, libjpeg-turbo, curl
add logging to evernote-sdk-lua
update framebuffer for proper rotation

frontend/ui/data/optionsutil.lua

@@ -2,11 +2,9 @@
 This module contains miscellaneous helper functions for the creoptions and koptoptions.
 ]]
 
-local Device = require("device")
 local InfoMessage = require("ui/widget/infomessage")
 local UIManager = require("ui/uimanager")
 local _ = require("gettext")
-local Screen = Device.screen
 local T = require("ffi/util").template
 
 local optionsutil = {}
@@ -19,9 +17,6 @@ function optionsutil.showValues(configurable, option, prefix)
     local default = G_reader_settings:readSetting(prefix.."_"..option.name)
     local current = configurable[option.name]
     local value_default, value_current
-    if option.name == "screen_mode" then
-        current = Screen:getScreenMode()
-    end
     if option.toggle and option.values then
         -- build a table so we can see if current/default settings map
         -- to a known setting with a name (in option.toggle)