* Add checks for additional reserved ip addresses
100.64.0.0/10 and 240.0.0.0/4 are both reserved but not currently
filtered.
* Add check for special purpose addresses
192.0.0.0/24 - Used for the IANA IPv4 Special Purpose Address Registry
* Refactor ip_utils (#5872)
* Add checks for all ipv4 special use addresses
* Add comprehensive ipv4 test cases
* Refactor Ipv6 address checks (#5872)
* Refactor AllowIP (#5872)
* Add IpFilter struct to wrap predefined filter (AllowIP) with custom
allow/block filters.
* Refactor parsing of --allow-ips to handle custom filters.
* Move AllowIP/IpFilter from ethsync to ethcore-network where they
are used.
* Revert Cargo.lock
* Tests for custom ip filters (#5872)
* Add "none" as a valid argument for --allow-ips to allow narrow
custom ranges, eg.: --allow-ips="none 10.0.0.0/8"
* Add tests for parsing filter arguments and node endpoints.
* Add ipnetwork crate to dev dependencies for testing.
* Add ipv6 filter tests (#5872)
* Revert parity-ui-precompiled to master
* Fix minor detail in usage.txt (#5872)
* Spaces to tabs
* Rename IpFilter::new() to ::default()
* Small readability improvements
* Test (#5872)
* Revert "Test (#5872)"
This reverts commit 7a8906430a6dad633fe29df3dca57f1630851fa9.
* whisper skeleton
* basic message store
* rallying and message logic
* pass host info to network protocol handlers
* choose who starts rally based on node key
* module reshuffling
* mining messages
* prune messages by low PoW until below size target
* associated error type for ethkey generators and `OsRng` generator
* beginnings of RPC
* generic message handler for whisper
* reshuffle code order
* standard payload encoding and decoding
* basic crypto
* minor restructuring of net code
* implement shh_post
* merge?
* implement filters
* rand trait for hash types
* filter RPCs for whisper
* symmetric encryption of payload
* pub-sub
* filter tests
* use only secure random IDs
* attach arbitrary protocols to network
* basic integration of whisper into Parity
* eagerly prune low PoW entries
* broadcast messages with salted topics
* node info RPC
* fix import
* fix leading zeros calculation
* address minor grumbles
* updated docopt, env_logger, semver and regex crates
* updated parking_lot to 0.4
* fixed compiling on linux
* updated igd to 0.6
* updated jsonrpc
* fixed regex related compiler error on linux
* fixed naming of rlp modules
* RlpStream cleanup
* appending short rlp lists (0...55 bytes) is 25% faster
* RlpStream does not use bytes module, nor trait Stream
* removed unused code from rlp module
* compiling ethcore-util with new rlp serialization
* compiling parity with new rlp serialization
* fixed compiling ethcore-light with new rlp serialization
* fixed compiling ethsync with new rlp serialization
* removed redundant comment, print
* removed redundant double-space
* replace usage of WriteBytesExt with ByteOrder
