Improve readability

.travis.yml

@@ -11,10 +11,10 @@ services:
   - redis-server
 
 before_script:
-  - "mkdir ./.config"
-  - "cp ./.ci-files/default.yml ./.config"
-  - "cp ./.ci-files/test.yml ./.config"
-  - "npm run build"
+  - mkdir ./.config
+  - cp ./.ci-files/default.yml ./.config
+  - cp ./.ci-files/test.yml ./.config
+  - npm run build
 
 env:
   - CXX=g++-4.8

appveyor.yml

@@ -31,10 +31,10 @@ init:
   - git config --global core.autocrlf false
 
 before_test:
-  - "mkdir .\\.config"
-  - "copy .\\.ci-files\\default.yml .\\.config"
-  - "copy .\\.ci-files\\test.yml .\\.config"
-  - "npm run build"
+  - mkdir .\.config
+  - copy .\.ci-files\default.yml .\.config
+  - copy .\.ci-files\test.yml .\.config
+  - npm run build
 
 test_script:
   - npm test