Merge pull request #11006 from owncloud/addCustomHex2BinImplementationBecauseSupporting53IsSomethingReallyReallyCoolAndWeAreObviouslySomeOfTheCoolGuys

Add custom hex2bin implementation for 5.3

Add X-UA-Compatible to all templates

Refresh if maintenance mode is over

Replaces https://github.com/owncloud/core/pull/10850

repair search lucene before installing

Fixes https://github.com/owncloud/core/issues/11004

Load apps in tests, fixes #9666

Create .user.ini for PHP-FPM

Fix method name useTransactions

PHP-FPM can't read .htaccess PHP settings unless a PECL extension is installed.
From version 5.3+ of PHP, settings can be set in .user.ini files

This is a .user.ini file mirroring what is included in the .htaccess file
TODO: Update the documentation if there are sections documenting how to change some PHP limits

requesttoken has now a length of 30 chars

Set overwritewebroot when installing owncloud to avoid problems

Fix use Sharing Api with calendar

Added acceptance tests for enabling apps

Allow default values for route parameters.

Use bigger transactions when doing explicit file system scans

terminate script execution in case of failure

More sugar for including lists of files in templates

Using status.php for this.
I modified status.php to also show, whether we're in maintenance.

Checks every 20 seconds if maintenance is over, if yes: reload.

fix z-index of header and dropdowns, fix user menu not showing on mobile

add template functions for html imports

Remove special case for css in OC.filePath

allow prefilling login

Update adapter.php

Keep fileid on move in objectstore, fixes #10848

allow . in dbname on web install