Fixing CORS headers for parity.web3.site (openethereum#4461)

mac build fix

Dont push-release for beta/stable changes

Fixing etherscan price parsing (openethereum#4202) (openethereum#4209)

* Fixing etherscan price parsing

* Handling all errors

v1.4.9 in beta (openethereum#4097)

* v1.4.9

* Disable armv6 build

[ci skip] js-precompiled 20170106-150948

Backporting to beta (openethereum#3980)

* v1.4.7

* Allow sync reorg up to pruning history size

* Peer difficulty tracking

* Abort downloading block if received with NewBlock

* Fixed test

js-precompiled 20161126-163347