Issue #2897563 by RenatoG: Fix Coding Standards, Best Practices and Insert Documentation in Comments for Tests

Issue #2299657 by RenatoG, egfrith, ChuChuNaKu, idebr, jtsnow, rootwork, kristiaanvandeneynde, GoddamnNoise, Leeteq, jcfiala, Remon, drumm, tobiberlin, brantwynn, klonos, Vacilando, quicksketch, mikeytown2, samuel.mortenson, brice_gato, katjam, kenorb, ultimike, Graber, rv0, othermachines, r0nn1ef, DamienMcKenna, doraf, jmart, reptilex, Berliner-dupe, jp.stacey, JonMcL: Allow any TLD because site admins can never keep up with ICANN

Issue #2843813 by idebr, klausi, michael_wojcik, clemens.tolboom: Fix failing tests due to missing 'administer fields' permission

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

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

Issue #1218428 by twistor, Digidog: Fixed - Link tests, LinkValidateUrlLight because link validate_url is called but not available.

Issue #1218422 by Dave Reid, twistor, Digidog: Fixed tests files: strict warnings about static getInfo and parameters for setUp(), whitespace, and file structure.

bug report #1008562 by jcfiala:Looking into URL, as link error caused me to realize that the _link_sanitize was being called in the wrong place - now called on link_field_prepare_view.

feature request #1012372 by jcfiala: Tried using hook_field_instance_settings_form to allow per-instance settings. Also, re-added a bunch of old tests from 6.x