Merge branch '7.x-1.x' into 7.x-2.x

* 7.x-1.x:
  #2007618, recommend to download imagesloaded 2.1.2 until jquery_update gives possibility to use jquery 1.9
  Issue #2043641, php errors if libraries_get_path(jquery.jcarousel) is not defined
  image url post drupal 7.20, fix #1929228