* Drop nBudgetProposalEstablishingTime
* Refactor: replace `== COutPoint()` with `.IsNull()`
* Refactor: add `operator bool()` to CMasternodePing
* Refactor: actually use `operator bool()` for CPendingDsaRequest
* Refactor: fixing code style in TrafficGraphData
* Fix some comments and whitespaces
* Drop CGovernanceVote::GetTypeHash()
* Drop legacy X11 code
No longer used... if it ever was used at all.
* Move `<boost/foreach.hpp>` out of coins.h
* Simplify CMasternodeBlockPayees::GetRequiredPaymentsString()
Also less of boost::lexical_cast
* Drop CTxDSIn::nSentTimes
* Fix few warnings
* fix warning (timer)
* fix nit
* Add simple test for p2pk script
refs #1767
* Add p2pk transaction addresses indexing
Addresses from p2pk transaction are now indexed by transations pubkeys
hashes. Even if it isn't strict behavior and the p2pk are rare
and obsolete, it is transaction that should be able to be looked up.
fixes#1767
* Add p2pk script checking tests
refs #1767