Add missed skeleton files.

.gitattributes

@@ -0,0 +1,11 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/.travis.yml        export-ignore
+/phpunit.xml.dist   export-ignore
+/.scrutinizer.yml   export-ignore
+/tests              export-ignore
+/composer.lock      export-ignore

.gitignore

@@ -1,5 +1,26 @@
-# phpstorm project files
+# General
+# composer.lock
+build
+docs
+vendor
+
+# Cache directories
+Thumbs.db
+*.DS_Store
+*.empty
+
+# PhpStorm project files
 .idea
 
-# Mac DS_Store Files
-.DS_Store
+# Netbeans project files
+nbproject
+
+# Eclipse, zend studio, aptana or other eclipse like project files
+.buildpath
+.project
+.settings
+
+
+# Mac deployment helpers
+switch
+index

.scrutinizer.yml

@@ -0,0 +1,35 @@
+filter:
+    excluded_paths: [tests/*]
+checks:
+    php:
+        code_rating: true
+        remove_extra_empty_lines: true
+        remove_php_closing_tag: true
+        remove_trailing_whitespace: true
+        fix_use_statements:
+            remove_unused: true
+            preserve_multiple: false
+            preserve_blanklines: true
+            order_alphabetically: true
+        fix_php_opening_tag: true
+        fix_linefeed: true
+        fix_line_ending: true
+        fix_identation_4spaces: true
+        fix_doc_comments: true
+tools:
+    external_code_coverage:
+        timeout: 600
+        runs: 3
+    php_analyzer: true
+    php_code_coverage: false
+    php_code_sniffer:
+        config:
+            standard: PSR2
+        filter:
+            paths: ['src']
+    php_loc:
+        enabled: true
+        excluded_dirs: [vendor, tests]
+    php_cpd:
+        enabled: true
+        excluded_dirs: [vendor, tests]

.travis.yml

@@ -0,0 +1,23 @@
+language: php
+
+php:
+  - 5.4
+  - 5.5
+  - 5.6
+  - hhvm
+
+install:
+  - composer self-update
+  - composer global require "fxp/composer-asset-plugin:1.0.0"
+  - composer install
+
+before_script:
+  - travis_retry composer self-update
+  - travis_retry composer install --no-interaction --prefer-source --dev
+
+script:
+  - phpunit --coverage-text --coverage-clover=coverage.clover
+
+after_script:
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover