Combine drawable files. https://redmine.stoutner.com/issues/794
Fix the ViewPager not always moving to new tabs. https://redmine.stoutner.com/issues/798
Update the URL in the copyright header. https://redmine.stoutner.com/issues/796
Convert LogcatActivity to Kotlin. https://redmine.stoutner.com/issues/770
Change the night access color to light violet. https://redmine.stoutner.com/issues/572
Replace Android's download manager. https://redmine.stoutner.com/issues/528
Add a logcat activity. https://redmine.stoutner.com/issues/264