* version: mark 2.3 track beta
* version: mark update critical on all networks
* Ping nodes from discovery (#10167)
* Fix _cannot recursively call into `Core`_ issue (#10144)
* Change igd to github:maufl/rust-igd
* Run `igd::search_gateway_from_timeout` from own thread
* Handle the case for contract creation on an empty but exist account with storage items (#10065)
* Add is_base_storage_root_unchanged
* Fix compile, use a shortcut for check, and remove ignored tests
* Add a warn!
* Update ethereum/tests to v6.0.0-beta.2
* grumble: use {:#x} instead of 0x{:x}
Co-Authored-By: sorpaas <accounts@that.world>
* version: bump fork blocks for kovan and foundation (#10186)
* pull constantinople on ethereum network (#10189)
* ethcore: pull constantinople on ethereum network
* version: mark update as critical
* ethcore: remove constantinople alltogether from chain spec
* version: revert fork block for ethereum
* eliminate some more transmute()
* Address `review comments`
* Make unsafe block smaller
* Use different byte-order than `std`, read words as big endian instead
of little endian!
* Fix IpAddresses nits
* Use `from_be` to work both for big and little endian
* Ipv6 addresses were incorrectly `transmuted`
* remove needless lifetime annotation
* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
