Removed syntastic and replaced it with ale

Read more here:
https://github.com/w0rp/ale

sources_non_forked/ale/ale_linters/php/phpcs.vim

@@ -0,0 +1,56 @@
+" Author: jwilliams108 <https://github.com/jwilliams108>, Eric Stern <https://github.com/firehed>
+" Description: phpcs for PHP files
+
+let g:ale_php_phpcs_standard = get(g:, 'ale_php_phpcs_standard', '')
+
+call ale#Set('php_phpcs_executable', 'phpcs')
+call ale#Set('php_phpcs_use_global', 0)
+
+function! ale_linters#php#phpcs#GetExecutable(buffer) abort
+    return ale#node#FindExecutable(a:buffer, 'php_phpcs', [
+    \   'vendor/bin/phpcs',
+    \   'phpcs'
+    \])
+endfunction
+
+function! ale_linters#php#phpcs#GetCommand(buffer) abort
+    let l:executable = ale_linters#php#phpcs#GetExecutable(a:buffer)
+
+    let l:standard = ale#Var(a:buffer, 'php_phpcs_standard')
+    let l:standard_option = !empty(l:standard)
+    \   ? '--standard=' . l:standard
+    \   : ''
+
+    return ale#Escape(l:executable)
+    \   . ' -s --report=emacs --stdin-path=%s ' . l:standard_option
+endfunction
+
+function! ale_linters#php#phpcs#Handle(buffer, lines) abort
+    " Matches against lines like the following:
+    "
+    " /path/to/some-filename.php:18:3: error - Line indented incorrectly; expected 4 spaces, found 2 (Generic.WhiteSpace.ScopeIndent.IncorrectExact)
+    let l:pattern = '^.*:\(\d\+\):\(\d\+\): \(.\+\) - \(.\+\) (\(.\+\))$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        let l:code = l:match[5]
+        let l:text = l:match[4] . ' (' . l:code . ')'
+        let l:type = l:match[3]
+
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'text': l:text,
+        \   'type': l:type is# 'error' ? 'E' : 'W',
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('php', {
+\   'name': 'phpcs',
+\   'executable_callback': 'ale_linters#php#phpcs#GetExecutable',
+\   'command_callback': 'ale_linters#php#phpcs#GetCommand',
+\   'callback': 'ale_linters#php#phpcs#Handle',
+\})