only create service if layer is not empty, also provide OL request with specific service (internal/external) instead of all services in all cases
t pusf -fonly create service if layer is not empty, also provide OL request with specific service (internal/external) instead of all services in all cases
Merge branch 'fix_getfeatures' of github.com:camptocamp/cgxp into fix_getfeatures
Merge pull request #523 from camptocamp/fix_getfeatures

only create service if layer is not empty, also provide OL request with ...