Fix gulp-gh-pages by bumping sub-dependency

gift 0.6.x required by gulp-gh-pages is broken:

shinnn/gulp-gh-pages#117

Setting resolutions in package.json will cause yarn to show  warning
about conflicts, but will correctly install the requested version.

package.json

@@ -20,6 +20,9 @@
     "react-dom": "^15.4.1",
     "svg-social-icons": "^1.1.0"
   },
+  "resolutions": {
+    "gift": "0.10.2"
+  },
   "devDependencies": {
     "beepbeep": "^1.2.0",
     "browserify": "^13.0.0",

yarn.lock

@@ -860,6 +860,10 @@ flagged-respawn@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-0.3.2.tgz#ff191eddcd7088a675b2610fffc976be9b8074b5"
 
+flex-exec@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/flex-exec/-/flex-exec-1.0.0.tgz#06974b68532839d2a12c32debcdb12378200fdf0"
+
 for-in@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -917,11 +921,12 @@ gh-pages@^0.5.0:
     q-io "~1.11.0"
     wrench "1.5.1"
 
-gift@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/gift/-/gift-0.6.1.tgz#c1698e6b6887164ed978a01095423cff65b8e79f"
+gift@0.10.2, gift@^0.6.1:
+  version "0.10.2"
+  resolved "https://registry.yarnpkg.com/gift/-/gift-0.10.2.tgz#4600efe8f284b51fcb01c3527b321e22b494e156"
   dependencies:
-    underscore "1.x.x"
+    flex-exec "^1.0.0"
+    underscore "^1.8.3"
 
 glob-base@^0.3.0:
   version "0.3.0"
@@ -2792,7 +2797,7 @@ unc-path-regex@^0.1.0:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
 
-underscore@1.x.x:
+underscore@^1.8.3:
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"