Merge branch 'development' into improvement/use-wsrun

* development:
  Update ethereeumjs-testrpc to ganache-cli

# Conflicts:
#	package.json

package.json

@@ -5,7 +5,7 @@
         "packages/*"
     ],
     "scripts": {
-        "testrpc": "testrpc -p 8545 --networkId 50 -m \"${npm_package_config_mnemonic}\"",
+        "ganache": "ganache-cli -p 8545 --networkId 50 -m \"${npm_package_config_mnemonic}\"",
         "prettier": "prettier --write '**/*.{ts,tsx,json,md}' --config .prettierrc",
         "prettier:ci": "prettier --list-different '**/*.{ts,tsx,json,md}' --config .prettierrc",
         "report_coverage": "lcov-result-merger 'packages/*/coverage/lcov.info' | coveralls",
@@ -30,7 +30,7 @@
     "devDependencies": {
         "async-child-process": "^1.1.1",
         "coveralls": "^3.0.0",
-        "ethereumjs-testrpc": "^6.0.3",
+        "ganache-cli": "^6.1.0",
         "lcov-result-merger": "^2.0.0",
         "lerna": "^2.5.1",
         "npm-run-all": "^4.1.2",