token 7.x-1.7

Changes since 7.x-1.6:

• #2825841 by hbemtec: Fixed PHP 7.1 compatibility error: Cannot use string offset as an array in _token_token_tree_format_row().
• #2702379 by Dave Reid: Review @todos in token_element_validate()
• #2630378 by hussainweb: Token "cannot contain fewer than one token" error misleading
• #2474403 by kfritsche, mariamania, Zekvyrin, B-Prod: Fixed token replacement of field descriptions should not replace i18n_field.module's translations.
• #2485221 by Berdir: Fixed token_pre_render_field_token() parameter should not be passed by reference.
• #2299039 by Elijah Lynn: Remove unused $sanitize variable from field_tokens().
• Soften token status report messages, split into individual items with different severity values.
• Fixed tokens without a description value were treated as wrong.
• #1821902 by Antonin Brunon, emattias: Fixed palse positives in recursive token check in _token_build_tree() for tokens that had a name of '0' (e.g. entity_token module's delta '0' field tokens).