* squashing work on using cancellation in nym crates
making nym-task wasm compilable
removed sending of status messages
replaced TaskManager with ShutdownManager in the validator rewarder
additional helpers for ShutdownManager
simplified ShutdownToken by removing the name field
TaskClient => ShutdownToken within all client tasks
wip: remove TaskHandle
* track all long-living client tasks
* add task tracking for most top level tasks within nym-node
* improved default builder
* split up cancellation module
* module documentation and unit tests
* nym node fixes and naming consistency
* wasm fixes
* assert_eq => assert
* wasm fixes and made 'run_until_shutdown' take reference instead of ownership
* linux-specific fixes to IpPacketRouter
* post rebasing fixes for signing monitor
* add ShutdownManager constructor to build it from an external token
* applying PR review suggestions
* added cargo config file to explicitly specify build target
* wip
* Config option to disable topology refreshing
* extracted common parsing code
* helper trait for working on wasm topology
* wasm topology parsing
* restored (slightly modified) old js-example
* wip
* Moved message preparation into a trait
* wip
* long-winded way of sending test packet
* standalone NymNodeTester
* finishing the test upon receiving all packets even if timeout wasnt reached
* initial round of cleanup
* sending multiple test packets in normal NymClient
* javascript-side cleanup
* starting mixnode test on btn click
* Improved NymNodeTester constructors
* improved error handling and constructors
* tester utils error handling
* further cleanup + using BTreeMap for NymTopology mixnodes
* handling missed errors
* splitting up 'test_node'
* split up and cleaned up generation of test result
* clippy + fixed example
* post rebase fixes
* another broken test
* prevent running multiple parallel tests
* cargo fmt
* Added nym- prefix to node tester utils
Jędrzej Stuczyński