Convert to PSR-2.

.php_cs

@@ -0,0 +1,77 @@
+<?php
+
+use Symfony\CS\Config\Config;
+use Symfony\CS\FixerInterface;
+use Symfony\CS\Finder\DefaultFinder;
+
+$fixers = [
+    'blankline_after_open_tag',
+    'braces',
+    'concat_without_spaces',
+    'double_arrow_multiline_whitespaces',
+    'duplicate_semicolon',
+    'elseif',
+    'empty_return',
+    'encoding',
+    'eof_ending',
+    'extra_empty_lines',
+    'function_call_space',
+    'function_declaration',
+    'include',
+    'indentation',
+    'join_function',
+    'line_after_namespace',
+    'linefeed',
+    'list_commas',
+    'logical_not_operators_with_successor_space',
+    'lowercase_constants',
+    'lowercase_keywords',
+    'method_argument_space',
+    'multiline_array_trailing_comma',
+    'multiline_spaces_before_semicolon',
+    'multiple_use',
+    'namespace_no_leading_whitespace',
+    'no_blank_lines_after_class_opening',
+    'no_empty_lines_after_phpdocs',
+    'object_operator',
+    'operators_spaces',
+    'parenthesis',
+    'phpdoc_indent',
+    'phpdoc_inline_tag',
+    'phpdoc_no_access',
+    'phpdoc_no_package',
+    'phpdoc_scalar',
+    'phpdoc_short_description',
+    'phpdoc_to_comment',
+    'phpdoc_trim',
+    'phpdoc_type_to_var',
+    'phpdoc_var_without_name',
+    'remove_leading_slash_use',
+    'remove_lines_between_uses',
+    'return',
+    'self_accessor',
+    'short_array_syntax',
+    'short_echo_tag',
+    'short_tag',
+    'single_array_no_trailing_comma',
+    'single_blank_line_before_namespace',
+    'single_line_after_imports',
+    'single_quote',
+    'spaces_before_semicolon',
+    'spaces_cast',
+    'standardize_not_equal',
+    'ternary_spaces',
+    'trailing_spaces',
+    'trim_array_spaces',
+    'unalign_equals',
+    'unary_operators_spaces',
+    'unused_use',
+    'visibility',
+    'whitespacy_lines',
+];
+
+return Config::create()
+    ->finder(DefaultFinder::create()->in(__DIR__))
+    ->fixers($fixers)
+    ->level(FixerInterface::NONE_LEVEL)
+    ->setUsingCache(true);