Removed syntastic and replaced it with ale

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

sources_non_forked/ale/ale_linters/html/htmlhint.vim

@@ -0,0 +1,38 @@
+" Author: KabbAmine <amine.kabb@gmail.com>, deathmaz <00maz1987@gmail.com>, diartyz <diartyz@gmail.com>
+" Description: HTMLHint for checking html files
+
+call ale#Set('html_htmlhint_options', '')
+call ale#Set('html_htmlhint_executable', 'htmlhint')
+call ale#Set('html_htmlhint_use_global', 0)
+
+function! ale_linters#html#htmlhint#GetExecutable(buffer) abort
+    return ale#node#FindExecutable(a:buffer, 'html_htmlhint', [
+    \   'node_modules/.bin/htmlhint',
+    \])
+endfunction
+
+function! ale_linters#html#htmlhint#GetCommand(buffer) abort
+    let l:options = ale#Var(a:buffer, 'html_htmlhint_options')
+    let l:config = l:options !~# '--config'
+    \   ? ale#path#FindNearestFile(a:buffer, '.htmlhintrc')
+    \   : ''
+
+    if !empty(l:config)
+        let l:options .= ' --config ' . ale#Escape(l:config)
+    endif
+
+    if !empty(l:options)
+        let l:options = substitute(l:options, '--format=unix', '', '')
+    endif
+
+    return ale#Escape(ale_linters#html#htmlhint#GetExecutable(a:buffer))
+    \   . (!empty(l:options) ? ' ' . l:options : '')
+    \   . ' --format=unix %t'
+endfunction
+
+call ale#linter#Define('html', {
+\   'name': 'htmlhint',
+\   'executable_callback': 'ale_linters#html#htmlhint#GetExecutable',
+\   'command_callback': 'ale_linters#html#htmlhint#GetCommand',
+\   'callback': 'ale#handlers#unix#HandleAsError',
+\})