Created new function that lists names of backend instances of given layout.
tree4f03489cd862162609bd27d6afa18156e94e70b3
-rw-r--r-- 310 .gitignore
drwxr-xr-x - backend
drwxr-xr-x - database
drwxr-xr-x - irreco-metapack
drwxr-xr-x - irreco
drwxr-xr-x - irtrans
drwxr-xr-x - script
drwxr-xr-x - themes