update deps/adms
qucs-release.sh: add a some more documentation
cmake: accomodate qucs-core for release mode build

* during release we flatten the repo, if that is the case, add
  qucs-core as a subdirectory to be configured
* fix also CMake target collision between `[lib]qucs` and `qucs` (GUI)
add asco patch, set MPI support to default disabled

* use option --enable-mpi to set it on
add patch and comments to release/build/package scripts