Update jquery.lazyload.js

There is bug:
Uncaught TypeError: Cannot read property 'persisted' of undefined 

When f.e. using <script src="/bzJApp/views/filever111/site/mobileModnique/mobileResources/js/jquery/infinitescroll.min.js"></script>

which rewrites scroll trigger
Merge branch 'master' of https://github.com/tygas/jquery_lazyload into tygas-master
Merge branch 'tygas-master' into 1.9.x
Merge branch 'master' into 1.9.x
Merge branch 'master' of github.com:mcNdave/jquery_lazyload into mcNdave-master
Fix broken variable name and CS.
Update readme.
Mention CSS backrounds.
Use jQuery 1.10.2 in demos. Update cache busters.
Prepare for 1.9.0.
Be like all the cool guys.
Make JSHInt happy.
New layout for demo pages.
Remove placeholder image from example.
Fix ios 5 detection regex
Merge pull request #153 from berikv/patch-2

Fix ios 5 detection regex
Comments and update readme.
Merge branch 'master' of https://github.com/swiftyone/jquery_lazyload into swiftyone-master
Update README.
Mention also bug #144.