* Fix memory leaks when using 'USB Storage (SD)' connection.
- Lua state 'cache' allocated to both lsScripts and lsWidgets; but only one was being released.
- Default theme bitmaps being reloaded without releasing previously allocated memory.
* Fix icons.
* chore(lua): revert useless c light function change
This change was part of the eLua LTR patches (based on 5.1), whereby this feature was already integrated in Lua 5.2.
* feat(lua): port of NodeMCU Lua53 read-only tables
# Conflicts:
# radio/src/lua/CMakeLists.txt
# radio/src/lua/api_general.cpp
* fix(nv14): missing SDRAM definition
* fix: l_mathop
* fix: use float functions in drawPower()
* fix: ltable resize
* fix: correct name is "bit32"
* fix: first Lua context must be closed last
As the lookup cache is attached to that one
* Revert to Lua using double
* Ensure byte-code compatibility
* Fix possible compatibility issue with `lua_typename`/`luaL_typename`
* Fix Bitmap symbol table
* Re-add table lib for COLORLCD
