Backporting to beta (#3623)

* Ropsten network (#3539)

* Ropsten network

* Sorted premine

* Comas

* Removed trailing coma

* --testnet set to ropset

* New registry contract address for ropsten (#3549)

* New registry for ropsten

* Registry address

* Registry with payable modifier

* Fix panic on importing own invalid transaction (#3550)

* Use patched MIO

* Trim whitespace from recovery phrase

* v1.4.5

* Appending logs by default

* Fixing phrases generated on windows

* Manually add \r to Windows phrases pre 1.4.4

* < 1.4.5

* Update test, fix number. (#3612)

* Set default tx price to 0.0025 USD

* Only support 1.4.x dictionary