add getNewsThroughAsset
add getNewsThroughAsset

Signed-off-by: Stefan Schiessl <610ec3b1572f6c4be8e59d96e755eaafd4435708@blockchainprojectsbv.com>

bitshares/bitshares-2-ui,BitSharesEurope/testnet.bitshares.eu,bitshares/bitshares-ui,bitshares/bitshares-ui,BitSharesEurope/graphene-ui-testnet,BitSharesEurope/testnet.bitshares.eu,BitSharesEurope/wallet.bitshares.eu,BitSharesEurope/graphene-ui-testnet,BitSharesEurope/graphene-ui-testnet,BitSharesEurope/wallet.bitshares.eu,bitshares/bitshares-ui,BitSharesEurope/wallet.bitshares.eu,BitSharesEurope/graphene-ui-testnet,BitSharesEurope/testnet.bitshares.eu,bitshares/bitshares-ui,bitshares/bitshares-2-ui,BitSharesEurope/testnet.bitshares.eu,BitSharesEurope/wallet.bitshares.eu,bitshares/bitshares-2-ui