lockfile optimized (#3715)

Author: bestander

yarn.lock

@@ -2726,28 +2726,28 @@ istanbul-lib-hook@^1.0.7:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.1.1, istanbul-lib-instrument@^1.7.2:
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.2.tgz#6014b03d3470fb77638d5802508c255c06312e56"
+istanbul-lib-instrument@^1.1.1, istanbul-lib-instrument@^1.7.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.1.tgz#169e31bc62c778851a99439dd99c3cc12184d360"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.13.0"
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.1.0"
     semver "^5.3.0"
 
-istanbul-lib-instrument@^1.7.1:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.1.tgz#169e31bc62c778851a99439dd99c3cc12184d360"
+istanbul-lib-instrument@^1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.2.tgz#6014b03d3470fb77638d5802508c255c06312e56"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.13.0"
-    istanbul-lib-coverage "^1.1.0"
+    istanbul-lib-coverage "^1.1.1"
     semver "^5.3.0"
 
 istanbul-lib-report@^1.1.1: