* Fix off-by-one error in HttpHeaderLink
Link headers with multiple URLs with multiple parameters were being parsed
incorrectly.
Detected by adding unit tests ahead of converting to Kotlin.
* Convert util/HttpHeaderLink from Java to Kotlin
* Convert util/ThemeUtils from Java to Kotlin
* Convert util/TimestampUtils from Java to Kotlin
* Add tests for PairedList
* Convert util/PairedList from Java to Kotlin
* Implement feedback from PR
* Relicense as GPL
* initial setup
* add spacing between images
* use blurhash
* handle hidden state and show video indicator
* handle item clicks
* small cleanup
* move SquareImageView into account.media package
* fix build
* improve AccountMediaGridAdapter
* handle loadstate, errors and refreshing
* remove commented out code
* log error
* show audio attachments with icon
* fix glitchy transition animation
* set image Description on imageview
* show toast with media description on long press
Nik Clayton
Konrad Pozniak