Hotfix

Merge branch 'staging'

# Conflicts:
#	package-lock.json
#	package.json

hotfix rc

Signed-off-by: Stefan Schiessl <stefan.schiessl@blockchainprojectsbv.com>

Release June 18th

Release candidate for July 18th release

Release 3.1.190618-rc1d.

Merge branch 'develop' into staging

Merge pull request bitshares#2639 from bitshares/staging

hotfix for call price issue bitshares#2634

hotfix for call price issue

Signed-off-by: Stefan Schießl <stefan.schiessl@blockchainprojectsbv.com>

Hotfix for 190410