Deprecate Node 0.10 and 0.12 support

.travis.yml

@@ -6,8 +6,8 @@ node_js:
   - "8"
   - "6"
   - "4"
-  - "0.12"
-  - "0.10"
+  # - "0.12"
+  # - "0.10"
 before_install:
   # from https://github.com/travis-ci/travis-ci/issues/3225#issuecomment-177592725
   # and also from https://github.com/travis-ci/travis-ci/issues/3225#issuecomment-200965782

appveyor.yml

@@ -1,8 +1,8 @@
 # Test against these versions of Node.js.
 environment:
   matrix:
-    - nodejs_version: "0.10"
-    - nodejs_version: "0.12"
+    # - nodejs_version: "0.10"
+    # - nodejs_version: "0.12"
     - nodejs_version: "4"
     - nodejs_version: "6"
     - nodejs_version: "8"