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().

Issue #1179944 by jcfiala,mr.york: Added variable_get calls so that the list of TLD that pass validation can be set by admins.

Issue #1715246 by Haza, jcfiala: Fixed strict warning when loading entity for token use, also fixed problem with the title attribute not being handeld properly.

Issue #1309768 by jcfiala: Made URL label of url-only link fields invisible instead of removing it, to be 508 compliant.

Issue # by jcfiala: Fixed how possible tokens are displayed when setting up a link field - had been using a variable which was not defined in that scope.

Issue #438770: Fixed code to align with tests - handling the 'token type' fetching better and fixing the separate link display to match previous functionality.

Issue #1047444 by Sweetchuck, jcfiala: Updated how tokens are handled so that the proper token references are used, and not just 'node'.

Issue #1309658 by jcfiala: Small nudge to the views tokens fix to handle problem with relative links going through url() twice.

Issue #1309658 by jcfiala: Rearranged the link code so that the query and fragment are not separated from the url so that views can access them in a token.

Issue #1290904 by gordon:Moved link processing on save from the hook_field_presave link to the hook_field_insert/update hook to prevent problem with field_attach_update.

Issue #1512954 by jfiala, mikeytown2: Added code to prevent error in theme_link_formatter_link_plain(), improved use of $link_options array in theme functions.

Issue #1125766 by jcfiala, David Stosik, Eric_A: Provided default value for link targets when link field uses user input for target.