integrated PostHandler mechanism into Post (server)
fixed: incorrect ImagePost rendering due to wrong CSS selector (display)
added release number / information
Merge pull request #83 from NoyaInRain/release

Release
Merge remote-tracking branch 'origin/master' into fix-image-post-rendering
bumped release
Merge pull request #84 from NoyaInRain/fix-image-post-rendering

Fix Image Post Rendering
Merge remote-tracking branch 'origin/master' into restructure-post-handler
added documentation for WallApp.add_post_type
added remote class to remote template
simplified general post style (remote)
integrated PostHandler mechanism into PostElement (client)

introduced (UI) element architecture and applied it to posts (client)
changed ImagePostElement to use background instead of img (display)
Merge pull request #86 from NoyaInRain/restructure-post-handler

Restructure Post Handler
limited body width of remote
fixed: duplicate notification style (remote)
implemented fade-in / -out animation for screens (remote)

thereby added a screen stack
bumped release
Merge pull request #87 from NoyaInRain/screen-animation

Screen animation
implemented basic Screen and PostScreen (remote)
moved Ui.currentPostElement down to DisplayUi (client)