Fix regression tests
Add bitshares_toolkit_version to about RPC and --version command line
[GS] relative paths with respect to CMAKE_CURRENT_SOURCE_DIR
[GS] Fix regression tests
Merge pull request #764 from drltc/about-version

Add bitshares_toolkit_version to about RPC and --version command line
just eliminate unnecessary string creation
Remove invalid assert during task cancellation.
add market maker
remove .pyc files
add market_marker
Merge branch 'master' into develop
Update .gitignore
Update submodules
Merge branch 'develop' into btsx

Conflicts:
	programs/qt_wallet
	programs/web_wallet
fix market maker
Merge branch 'develop' of github.com:BitShares/bitshares_toolkit into develop
updating market maker
Cache the account and property databases
Speed reindexing by making certain databases memory-only
Convert market databases to cached_level_maps

Conflicts:
	libraries/blockchain/market_engine_v1.cpp
	libraries/blockchain/market_engine_v2.cpp