Merge pull request #42779 from Matan-B/lua-rgw-map

rgw: Lua scripting global map feature
Reviwed-by: dang, cbodley, yuvalif, anthonyeleven, tchaikov,  mattbenjamin, batrick

diff --cc doc/radosgw/lua-scripting.rst
Simple merge

diff --cc src/rgw/CMakeLists.txt
Simple merge

diff --cc src/rgw/rgw_admin.cc
Simple merge

diff --cc src/rgw/rgw_lua_request.cc
Simple merge

diff --cc src/rgw/rgw_main.cc
Simple merge

diff --cc src/rgw/rgw_process.cc
Simple merge

diff --cc src/test/cli/radosgw-admin/help.t
Simple merge