Clean up old avatar cache and update changelog

import it.niedermann.owncloud.notes.persistence.migration.Migration_15_16;

import it.niedermann.owncloud.notes.persistence.migration.Migration_16_17;

import it.niedermann.owncloud.notes.persistence.migration.Migration_17_18;

import it.niedermann.owncloud.notes.persistence.migration.Migration_18_19;

import it.niedermann.owncloud.notes.persistence.migration.Migration_4_5;

import it.niedermann.owncloud.notes.persistence.migration.Migration_5_6;

import it.niedermann.owncloud.notes.persistence.migration.Migration_6_7;

abstract class AbstractNotesDatabase extends SQLiteOpenHelper {

    private static final int database_version = 18;

    private static final int database_version = 19;

    @NonNull

    protected final Context context;

                new Migration_16_17(db);

            case 17:

                new Migration_17_18(db);

            case 18:

                new Migration_18_19(context);

        }

    }

package it.niedermann.owncloud.notes.persistence.migration;

import android.content.Context;

import android.util.Log;

import androidx.annotation.NonNull;

import com.bumptech.glide.Glide;

public class Migration_18_19 {

    private static final String TAG = Migration_18_19.class.getSimpleName();

    /**

     * Clears the {@link Glide} disk cache to fix wrong avatars in a multi user setup

     * https://github.com/stefan-niedermann/nextcloud-deck/issues/531

     *

     * @param context {@link Context}

     */

    public Migration_18_19(@NonNull Context context) {

        new Thread(() -> {

            Log.i(TAG, "Clearing Glide disk cache");

            Glide.get(context.getApplicationContext()).clearDiskCache();

        }).start();

    }

}

2.16.1

- 👥 Fix wrong avatars in multi user setup

- 🧹 Design polishing (@thgoebel)

2.16.0

- 🔧 Support APIv1

  - Title will only be auto generated when creating a new note

  - Ability to change title manually

- 🔤 Make categories sortable by alphabet or modified date (#603) (@WingsUpete @Hui-Ouyang16 @IF-ACT)

2.15.0

- 🆕 Grid view (beta)

2.14.1

- ✨ Title and category should be centered if no excerpt is given (#374)

- 🐞 Crash when entering not-existing category (#863)

2.14.0

- 📌 Remember last scrolling position per note (#227)

- 🎨 Apply brand to widget color

- ❓ "Help: format" option in the menu (#116)

- 🐞 Fix toggling checkboxes when note contains codefences with empty lines

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