Release v0.18.1

Bug Fixes

• Fixed minor shell scripting bugs in test scripts
• Removed debug symbols from release profile and enabled stripping binaries
• Filtering bundles from store by address no longer returns deleted BIDs (#40)
• Ignore beacons from self for broadcast IPND packets

Documentation

• Updated README, removed tool help output and described recent feature additions.
• Added badge with link to dtn7 matrix space to README
• Changed help output regarding local endpoints in dtnrecv and dtntrigger tools

Features

• CLAs can now indicate if the are accepting new bundles, e.g., useful for discovery only CLAs
• Support for sprayandwait routing strategy (#29)
• Added support for broadcast sockets
• Added warning if no CLA is configured

Miscellaneous Tasks

• Bumped minimum ubuntu version in cd.yml to 20.04
• Pleased clippy of rust 1.64

Refactor

• Reexport all external client relevant pieces of code to dtn7::client

Testing

• Added clab scenario with two subnets