let the encryption storage wrapper always update the file cache

only update database on the first run

always update file cache, the cache can handle partial data correctly if the file doesn't already exists in the file cache

only update database on the first run (first run = we have a version number from the old encryption app)

[avatar] add error handlers for avatar setup

correct order and capitalization of 'Server status' admin settings entry

Fix incorrect test naming in SimpleContainerTest

add colon to translated string

use placeholder in t()

Adding a size limitation for avatar upload

Unit test for file size

Fix typo & display server side error message

`tesOverrideService()` was incorrect and wasn't getting called by
PHPUnit. Also, the unit test itself was wrong, but went unnoticed
because of point 1.

Add loading spinner to download icon

Correct regular expressions

Moving mysql setup code over to Doctrine

Previously the regex was only matching on single characters. Meaning that file names such as ".txt" where possible while "" alone never was. This check apparently never worked as expected.

- less static calls
- use params on sql queries
- handle sql exception on database and user creation gracefully

update moment.js to 2.10.3

Remove remainings of mssql

[admin settings] only retrieve log file size if file exists

* fixes #17467

add theme-color for better Android browser integration

use inline confirm button style for password-protected links, ref #15176

Disable filesystem_check_changes by default

Remove Log info when no group filter is set, fixes #17921

update underscore to 1.8.3

Trigger "apprendered" event in users page