refactor: removed the unused C function ngx_http_lua_clfactory_loadstring.
Merge branch 'master' of github.com:chaoslawful/lua-nginx-module
refactor: removed the useless code for reading Lua code from stdin.
various coding style fixes in the closure factory.
bugfix: the error message was misleading when the *_by_lua_file directives failed to load the Lua file specified.