Merge pull request #5 from tof06/pjax-fix-redirect

Let PJAX request follows HTTP Redirect in any case

Author: qiangxue

jquery.pjax.js

@@ -231,9 +231,11 @@
 
 options.error = function (xhr, textStatus, errorThrown) {
 var container = extractContainer("", xhr, options)
-
-var allowed = fire('pjax:error', [xhr, textStatus, errorThrown, options])
-if (options.type == 'GET' && textStatus !== 'abort' && allowed) {
+// Check redirect status code
+var redirect = (xhr.status >= 301 && xhr.status <= 303)
+// Do not fire pjax::error in case of redirect
+var allowed = redirect || fire('pjax:error', [xhr, textStatus, errorThrown, options])
+if (redirect || (options.type == 'GET' && textStatus !== 'abort' && allowed)) {
 locationReplace(container.url)
 }
 }
@@ -342,7 +344,7 @@
 }
 
 // Strip _pjax parameter from URL, if exists.
-options.url=stripPjaxParam(options.url);
+options.url = stripPjaxParam(options.url);
 
 pjax.options = options
 var xhr = pjax.xhr = $.ajax(options)