Allow autocompleter to work in a sub folder of the domain name.

searx/static/themes/courgette/js/searx.js

 if(searx.autocompleter) {
     window.addEvent('domready', function() {
-	    new Autocompleter.Request.JSON('q', '/autocompleter', {
+	    new Autocompleter.Request.JSON('q', './autocompleter', {
 		    postVar:'q',
 		    postData:{
 			    'format': 'json'

searx/static/themes/default/js/searx.js

 if(searx.autocompleter) {
     window.addEvent('domready', function() {
-	    new Autocompleter.Request.JSON('q', '/autocompleter', {
+	    new Autocompleter.Request.JSON('q', './autocompleter', {
 		    postVar:'q',
 		    postData:{
 			    'format': 'json'

searx/static/themes/oscar/js/searx_src/autocompleter.js

     searx.searchResults = new Bloodhound({
         datumTokenizer: Bloodhound.tokenizers.obj.whitespace('value'),
         queryTokenizer: Bloodhound.tokenizers.whitespace,
-        remote: '/autocompleter?q=%QUERY'
+        remote: './autocompleter?q=%QUERY'
     });
     searx.searchResults.initialize();
 }