* Add coap_spark-0.10.0
CoAP-SPARK is a library implementing the Constrained Application Protocol (CoAP) in SPARK/Ada, with client and server sides.
* Add coap_client-0.10.0
* coap_spark 0.9.0 (via `alr publish`)
* Include coap_client as subdir of the coap_spark repository
* coap_spark: remove unneded dependency for users
* Revert "coap_spark: remove unneded dependency for users"
This reverts commit d8c395bfa6.
The dependency is needed for SPARKlib, which is not packaged
separately from gnatprove.
Also applied the rest of transformations described in alire#227: no top-level
[genera] table, name/version keys, [[depends-on]] array instead of table.