Porting to composer project (#5)

* Creating bases

* Implementing visitor pattern

* Making KMLObjects visitable

* Code quality fix

* Adding parser scaffolding

* Refactoring code formatting

* Increasing testing

* Fixing travis integration

* Setting php minimum version

* Adding CI badges

* Refactoring comments, simplification

* Code quality fix

Author: earelin

.gitignore

@@ -0,0 +1,9 @@
+## IDE
+.sonarlint/
+.idea/
+
+## Dependencies
+vendor
+
+## Generated
+reports

.travis.yml

@@ -0,0 +1,8 @@
+language: php
+php:
+  - 7.1
+before_script:
+  - composer install
+script: composer test
+after_success:
+  - curl -s https://codecov.io/bash | bash

LICENSE

@@ -0,0 +1,49 @@
+
+# PHP LibKML #
+
+[![Build Status](https://travis-ci.org/earelin/php-libkml.svg?branch=2.x.x)](https://travis-ci.org/earelin/php-libkml)
+[![codecov](https://codecov.io/gh/earelin/php-libkml/branch/2.x.x/graph/badge.svg)](https://codecov.io/gh/earelin/php-libkml)
+
+A php library to manipulate KML/KMZ files.
+
+php-libKML maps KML/KMZ data into proper objects that follows the KML specification. The purpose of the library is create KML file from code, parse KML files and convert to another formats maintaining the complete KML information.
+
+## Features ##
+
+* KML schema version 2.2
+* PHP 7.0+
+* Object oriented design
+* Comprehensive KML model
+* Google extensions support
+
+## Installation ##
+
+It can be installed using composer.
+
+```bash
+composer require earelin/php-libkml:^2.0.0
+```
+
+## Usage ##
+
+
+
+## Contribute ##
+
+Execute tests
+
+```bash
+composer test
+```
+
+Check code quality with Codesniffer
+
+```bash
+composer phpcs
+```
+
+Codesniffer automatic code quality fix
+
+```bash
+composer phpcbf
+```

README

@@ -0,0 +1,38 @@
+{
+  "name": "earelin/php-libkml",
+  "description": "A library to manipulate KML/KMZ files",
+  "type": "library",
+  "keywords": ["kml", "gis"],
+  "homepage": "https://github.com/earelin/php-libkml",
+  "readme": "README.md",
+  "license": "GPL-3.0",
+  "support": {
+    "issues": "https://github.com/earelin/php-libkml/issues",
+    "source": "https://github.com/earelin/php-libkml"
+  },
+  "minimum-stability": "dev",
+  "prefer-stable": true,
+  "require": {
+    "php": "^7.1"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^7.4",
+    "drupal/coder": "^8.2.12"
+  },
+  "autoload": {
+    "psr-4": {
+      "LibKml\\": "src/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "LibKml\\Tests\\": "tests/src/"
+    }
+  },
+  "scripts": {
+    "clean": "rm -Rf reports vendor",
+    "test": "phpunit --bootstrap vendor/autoload.php -c phpunit.xml --testdox",
+    "phpcs": "phpcs --bootstrap=vendor/autoload.php --standard=vendor/drupal/coder/coder_sniffer/Drupal --exclude=Drupal.Commenting.FunctionComment src",
+    "phpcbf": "phpcbf --bootstrap=vendor/autoload.php --standard=vendor/drupal/coder/coder_sniffer/Drupal --exclude=Drupal.Commenting.FunctionComment,Drupal.Commenting.ClassComment src"
+  }
+}