Optionally clone block behind work-package

Workaround for hyper panic

Colourful notification on mine

Gav Wood authored Jun 29, 2016 and Arkadiy Paronyan committed Jun 30, 2016

Fixes #1468

Work notification over HTTP

Sealed block importing and propagation optimization

vm factory to mining client

* topbar dialog fix

* push goldylucks changes to ethcore umbrella

* Minor additions to allow resetting of code.

* Add test.

* Introduce options for fine-grained management of work queue.

- Minimum reseal period between non-mandatory (transaction) reseals.
- Maximum historical cached block size.

Defaults changed to reflect real-world scenarios (2s, 20 blocks).

* Fix test bug.

* 50 -> 20.

* Ensure we don't reject our own transactions for gasprice.

* Add test.

Signing parity executable & windows installer in appveyor

* Rearrange fork CLI options.

* Fixed compilation

give appveyor some breath