Adding a handcrafted bookmarklet generator, 
because the JQuery Bookmarklet Generator link was dead.
This new version should remove a event listener memleak in the script
tag loading jquery (if i read correctly the compressed code)

Fixes:document.body.appendChild(script);
* === comparisons
Fix:
* Ensure query will not conflict with other libraries. And load it only if required (< 1.2)
Update Readme.md to reflect previous changes.
Fix global scope pollution with global variables.
Merge pull request #2 from yhwh/master

Change how bookmarklet is created.