Merge pull request #1 from ethereum/develop

Update to current cpp-ethereum
Fix build by including all files from CryptoPP that compile without errors or warnings.
Fix build on Windows. QWebSettings is somehow not available.
Fix windows build?
Upstream fix
Merge pull request #3 from ethereum/develop

Update from upstream
paranoia works again.
Merge pull request #331 from AronVanAmmers/develop

Fix build of CryptoPP on Windows
Block hash download fix.
Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop
More inclusive about.
Minor networking improvements.
Guards for View.
Improved logging.
Add mutexed askedContains in placed of .asked.contains(). Issue #333 (dev::RangeMask<unsigned int>::contains), nextFetch clears m_asked concurrent to m_asked.contains() iteration.
style fix
Merge remote-tracking branch 'upstream/develop' into develop