update 'npm-run-all' to remove dependancy on 'event-stream'
update 'npm-run-all' to remove dependancy on 'event-stream'

Avoid the following dependancy since  event-stream 3.3.6 is removed
+ ─┬ npm-run-all@4.1.3
  └─┬ ps-tree@1.1.0
    └── event-stream@3.3.6

bitpay/bitcore,martindale/bitcore,bitjson/bitcore,bitpay/bitcore,bitpay/bitcore,bitpay/bitcore,martindale/bitcore,martindale/bitcore,bitjson/bitcore,martindale/bitcore,bitjson/bitcore,bitjson/bitcore