Added more comments abaut parameters.
tree39ed42d7ac613d68e2485e89bc16ee067557ee0d
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