Pjax content-related fixes:

• Fix executing inline <script> tags on pjax back/forward
• Fix popstate with different pjax containers
• Scroll to named <a name="..."> anchors after pjax navigation
• Decode hash value before querying for named anchor or element by ID
• Avoiding calling scrollTop() twice

Browser URL and anchor fixes:

• Strip jQuery's cache-busting parameter
• Keep hash in temporarily changed URL while the page is loading
• Reflect the hash of the URI in state.url
• Preserve hash in reloaded URL after pjax request has timed out

Server request fixes:

• Abort pending XHR in popstate handler.
• Handle array form data in pjax fallback behavior