diff --git a/.codeclimate.yml b/.codeclimate.yml
index 29d31a8fb..b56fe5ba0 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -33,18 +33,18 @@ engines:
     enabled: true
 
 exclude_paths:
-- "core/public/js/jquery/*"
-- "data/*"
-- "docs/*"
-- "library/REST/*"
-- "library/SwaggerUI/*"
-- "log/*"
-- "modules/oai/library/oai/*"
-- "modules/statistics/public/js/googlemaps/*"
-- "modules/statistics/public/js/jquery/*"
-- "modules/visualize/public/js/jquery/*"
-- "modules/visualize/public/js/webgl/*"
-- "provisioning/*"
-- "tmp/*"
-- "utils/*"
-- "vendor/*"
+  - 'core/public/js/jquery/*'
+  - 'data/*'
+  - 'docs/*'
+  - 'library/REST/*'
+  - 'library/SwaggerUI/*'
+  - 'log/*'
+  - 'modules/oai/library/oai/*'
+  - 'modules/statistics/public/js/googlemaps/*'
+  - 'modules/statistics/public/js/jquery/*'
+  - 'modules/visualize/public/js/jquery/*'
+  - 'modules/visualize/public/js/webgl/*'
+  - 'provisioning/*'
+  - 'tmp/*'
+  - 'utils/*'
+  - 'vendor/*'
diff --git a/.eslintrc b/.eslintrc
index 658e0a9c8..19d924d8a 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -18,26 +18,31 @@
 #=============================================================================
 
 ---
+root: true
+
+env:
+  browser: true
+  jquery: true
+
+extends: 'eslint:recommended'
+
 rules:
   indent:
     - 2
     - 4
-  quotes:
-    - 2
-    - single
+
   linebreak-style:
     - 2
     - unix
-  semi:
-    - 2
-    - always
 
   no-unused-vars:
     - 2
     - argsIgnorePattern: ^_
 
-env:
-  browser: true
-  jquery: true
+  quotes:
+    - 2
+    - single
 
-extends: 'eslint:recommended'
+  semi:
+    - 2
+    - always
diff --git a/.styleci.yml b/.styleci.yml
index 6e0edea44..c69858861 100644
--- a/.styleci.yml
+++ b/.styleci.yml
@@ -29,7 +29,6 @@ disabled:
   - phpdoc_types
   - phpdoc_var_without_name
 
-
 finder:
   exclude:
     - data
diff --git a/app.yaml b/app.yaml
index 94f585ab4..f45f64259 100644
--- a/app.yaml
+++ b/app.yaml
@@ -26,30 +26,30 @@ api_version: 1
 threadsafe: yes
 
 handlers:
-- url: /(apple-touch-icon-.*\.png)$
-  static_files: \1
-  upload: apple-touch-icon-.*\.png$
-  secure: always
+  - url: /(apple-touch-icon-.*\.png)$
+    static_files: \1
+    upload: apple-touch-icon-.*\.png$
+    secure: always
 
-- url: /favicon\.ico$
-  static_files: favicon.ico
-  upload: favicon\.ico$
-  secure: always
+  - url: /favicon\.ico$
+    static_files: favicon.ico
+    upload: favicon\.ico$
+    secure: always
 
-- url: /(.*/(public|SwaggerUI)/.*\.(css|gif|ico|jpeg|jpg|js|map|png))$
-  static_files: \1
-  upload: .*\.(css|gif|ico|jpeg|jpg|js|map|png)$
-  secure: always
+  - url: /(.*/(public|SwaggerUI)/.*\.(css|gif|ico|jpeg|jpg|js|map|png))$
+    static_files: \1
+    upload: .*\.(css|gif|ico|jpeg|jpg|js|map|png)$
+    secure: always
 
-# Must enable the task scheduler module. The cron job is defined in cron.yaml.
-- url: /scheduler/run
-  script: index.php
-  login: admin
-  secure: always
+  # Must enable the task scheduler module. The cron job is defined in cron.yaml.
+  - url: /scheduler/run
+    script: index.php
+    login: admin
+    secure: always
 
-- url: /.*
-  script: index.php
-  secure: always
+  - url: /.*
+    script: index.php
+    secure: always
 
 # Update with the bucket name and the project id. Also update php.ini with the bucket name.
 env_variables:
@@ -59,10 +59,10 @@ env_variables:
   midas_temp_path: gs://your-cloudstorage-bucket/tmp
 
 skip_files:
-- ^(.*/)?.*/(\.DS_Store|\.htaccess|\.gitignore|CMakeLists\.txt|.*\.java)$
-- ^(.*/)?.*/\.sass-cache/.*
-- ^(.*/)?(\.codeclimate\.yml|\.coveralls\.yml|\.editorconfig|\.php_cs|\.php_cs\.cache|\.styleci\.yml|\.travis\.yml|AUTHORS|bower\.json|composer\.json|composer\.lock|composer\.phar|COPYRIGHT|CTestConfig\.cmake|LICENSE|mkdocs\.yml|phpunit\.xml\.dist|README\.md|requirements\.txt|Vagrantfile)$
-- ^(.*/)?core/configs/.*\.local\.ini$
-- ^(.*/)?(\.git|\.idea|\.vagrant|data|docs|env|log|provisioning|site|tests|tmp|utils)/.*
-- ^(.*/)?(core|modules/.*)/(database/(pgsql|sqlite)|tests)/.*
-- ^(.*/)?modules/(archive|batchmake|dicom.*|javauploaddownload|metadataextractor|pvw|remoteprocessing|solr|statistics|visualize)/.*
+  - ^(.*/)?.*/(\.DS_Store|\.htaccess|\.gitignore|CMakeLists\.txt|.*\.java)$
+  - ^(.*/)?.*/\.sass-cache/.*
+  - ^(.*/)?(\.codeclimate\.yml|\.coveralls\.yml|\.editorconfig|\.php_cs|\.php_cs\.cache|\.styleci\.yml|\.travis\.yml|AUTHORS|bower\.json|composer\.json|composer\.lock|composer\.phar|COPYRIGHT|CTestConfig\.cmake|LICENSE|mkdocs\.yml|phpunit\.xml\.dist|README\.md|requirements\.txt|Vagrantfile)$
+  - ^(.*/)?core/configs/.*\.local\.ini$
+  - ^(.*/)?(\.git|\.idea|\.vagrant|data|docs|env|log|provisioning|site|tests|tmp|utils)/.*
+  - ^(.*/)?(core|modules/.*)/(database/(pgsql|sqlite)|tests)/.*
+  - ^(.*/)?modules/(archive|batchmake|dicom.*|javauploaddownload|metadataextractor|pvw|remoteprocessing|solr|statistics|visualize)/.*
diff --git a/cron.yaml b/cron.yaml
index 05ee94ce9..cda6e9e08 100644
--- a/cron.yaml
+++ b/cron.yaml
@@ -20,6 +20,6 @@
 ---
 # Must enable the task scheduler module.
 cron:
-- description: task scheduler job
-  url: /scheduler/run
-  schedule: every 12 minutes
+  - description: task scheduler job
+    url: /scheduler/run
+    schedule: every 12 minutes