Issue #2055111 by joelpittet, mikeytown2: skip over re-loading entities for tokens in link field attributes unless there's a token to process.

Added setup function to LinkValidateUrlLight to enable link module, which was failing drupal.org qa testbot.

Issue #2364673 by jcfiala: Replaced drupal_html_class() with drupal_clean_css_identifier() so that link field classes are not forced to lower case.

Issue #2350253 by genjohnson: Fixed Link with ! (exclamation) in URL query returns "not a valid URL".

Issue #1483494 by vinmassaro, cord1: Notice: Undefined index: url in _link_process() (line 345 of ../link.module).

Issue #1955976 by chOP, erikhopp, idebr, d.clarke | Jim Cutler: Added Allow relative paths with validation.

Issue #1930430 by benjifisher: Fixed Migration integration misses title attribute for mutiple-valued link fields.

Issue #97766 by tanepiper, heddn, timbrandin, droath, alanburke, Digidog: Class attribute field option for each dataset in link widget.

Issue #1266474 by redndahead, franz, RobLoach, jcfiala, markabur: Use field label as the label for the title field

Issue #2036645 by lex0r: restricting the explode to 2 items when breaking apart querystrings helps prevent problems with unescaped = characters in the data.

Issue #1928116 by jcfiala: Added field variable to variables for link formatter functions in hook_theme.

#2043001 by zhuber:Add xxx to list of top level domains.--author=zhuber <zhuber@1437276.no-reply.drupal.org>

Issue #2036115 by Samvel:Validation of link field was not being properly passed through to hook_field_widget_error().

Issue #2036115 by Samvel:Validation of link field was not being properly passed through to hook_field_widget_error().

Issue #1918850 by jsacksick: Prevents undefined variable messages in link_i18n_string_list_field_alter().