Updating OSX build instructions
updating web wallet text
Update cmake to find readline

This fixes build issues on OS X
Remove PTS, PPC, and LTC

These assets will be reserved for better currencies to be traded in the
future.
Update blockchain description

Company. Community. Currency.

This is less jargon than Decentralized Autonomous Company
Rename GLD to GOLD and SLV to SILVER
Update BTS asset description to BitShares
Update blockchain name + description
updating web/qt wallet revisions
Removing old print statement in market engine v2
Issue #909 - rename default data dir

Look for old data directory as “BitShares X” and rename it to BitShares
if it exists.