* client: use appropriate ExecutionContext for sync/import
* client: remove dead code
* client: ExecutionContext: distinguish between own and foreign imports
* client: fix cli parameter doc
* Revert "client: ExecutionContext: distinguish between own and foreign imports"
This reverts commit 0fac11520704c364a82432c5b927e987ba043cdb.
* primitives: add docs for ExecutionContext
* cli: execution strategy docs
* cli: use different execution context for importing block on validator
* cli: remove defaults from execution context flags