Issue #2430909 by anwar_max, wadmiraal, harshil.maradiya, joshi.rohit100, ClientGuy: hook_theme_suggestions() hook_theme_suggestions_HOOK() documentation is incorrect about how the hook is invoked

Issue #2392221 by joegraduate, er.pushpinderrana, zealfire, ClientGuy: install_run_task() and install_tasks() don't document the task structure

Issue #2392221 by er.pushpinderrana, ClientGuy, zealfire: install_run_task() and install_tasks() don't document the task structure