Merge pull request #255 from HackFisher/master

Fix bug of signmessage and verifymessage
enabling support for simulated time
refactor transaction validation
clean up old files from tests
updating fc
clean up client.cpp headers
fix tests
fixing bogus wif error assert
tests for creating wallet and importing initial key
filter account balances by account name
fixed #258, try now
Merge remote-tracking branch 'upstream/master'
fix validation bugs
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
updating fc to improve error printing
fix account update validation
fix large trx generation
fix some bitcoin compatibility calls, mark others as unimplemented until further review
fix win32 compile errors
Fix bitcoin compatibility of send to many addresses, Fix cache cache trasaction for send to address trx, and clean up