3.1.0

style: php-cs-fixer
chore: We now depend on psr/simple-cache, text_wiki ^3 and horde/cache
feat: Upgrade wicked's special markup from regex-based to a character level scanner
feat: Wiki/TextFormat is now a special page always containing the format documentation for the format the wiki currently uses.
feat: Allow caching pages which don't contain dynamic content.
feat: Attachment Admin screen only for horde global admins or users with whups:admin permission
feat: Refactor most endpoints into thin wrappers around PSR-7/15 controllers
refactor: The display.php can delegate to the PSR-15 controller which does essentially the same work
fix(wicked): return after newPage to avoid undefined $content in Api::edit()
fix(wicked): guard null searchtext in Sql::getMatchingPages()
fix(wicked): guard null referrer in AddPage::preDisplay()
fix(wicked): cast timestamp to int in Page::formatVersionCreated()
fix(wicked): cast versionCreated to int for localtime() in RecentChanges
fix(wicked): guard null array keys and lock properties in StandardPage
fix(wicked): replace @count(null) with !empty() in Application::menu()
fix(wicked): guard null captcha and referrer in NewPage
fix(wicked): guard null form data in EditPage::handleAction()
fix(wicked): guard null version in RevertPage htmlspecialchars call
fix(wicked): guard null version in DeletePage htmlspecialchars call
fix(wicked): guard null referrer and fix dynamic property in Page::display()
fix(wicked): initialize $params before switch in Driver factory
fix(wicked): use correct exception variable in AttachedFiles catch block
refactor: Replace direct globals access with constructor injection
feat: Wiki markup conversion script
feat: Add routes and bindings for modern engine
feat: Leverage new horde/text_wiki engine
fix: More defensive code when trying to drop tables
fix: Accept both types of horde_variables
chore: Add a default routes file
Update PHP required version, depend on horde/text_wiki v2
feat: Re-Add horde-specific Xhtml renderers which don't belong into the horde/text_wiki library but integrate wiki content with core functionality
Clone an object when assigning to a mapped type name
Explicitly instanciate backend parser as rule Heading2
Add horde/wicked specific rules to WickedEngine
Use the namespaced WickedEngine as the entrypoint to Text\Wiki
Remove horde's internal autoloader setup from wicked's bootstrap method. Rely on external autoloader, composer or other.
chore: Remove inlined Text_Wiki version
fix: Use compatibility layer for strftime until we replace it wholesale.
fix: Too many arguments to mktime