Partial progress toward new fees
fix pay rate calculation
Issue #485 - delegate fee proportional to pay rate

enabling code for hard fork
basic untested order matching
Bids & Asks now get matched.

Fixed bug that would allow users to short user-issued assets.
collect fees in XTS vs USD
Merge branch 'master' of github.com:BitShares/bitshares_toolkit into dryrun9
bids/ask transactions are now captured and stored
bid/ask order execution now shows up in wallet
scanning market transactions
progress toward refactoring market execution for short/cover
Merge remote-tracking branch 'origin' into dryrun9
Shorts are now paired with asks to create BitUSD
updating fc
cover orders are now displayed as part of the order book
update cover behavior in bid/ask system
Merge remote-tracking branch 'origin' into dryrun9
order matching now prioritizes covers and ignores blown out shorts
implement cover operation
adding ability to transfer PTS address to new key in a minimilistic/generic manner that will facilite the creation of a single trusted "import program"