Enabled ImageViewer for images
Added default implementation
Merge branch 'master' of github.com:WoltLab/com.woltlab.wcf.attachment
Fixed some attachment-relevant issues
Added support for avatar uploads
Fixes schema location and XML file name
Merge pull request #10 from Gravatronics/bug/schemaLocationXMLFile

Fixes schema location and XML file name
Removed PNG support for icons
Added basic style; CSS/LESS overhaul
Cleans up package
Merge pull request #11 from Gravatronics/enhancement/cleanup

Cleans up package
Removes/Replaces whitespaces
Merge pull request #12 from Gravatronics/enhancement/whitespaces

Removes/Replaces whitespaces
AJAX error handling overhaul
Fixed missing tooltip
Replaces some whitespaces with tabs
Merge pull request #13 from Gravatronics/enhancement/cleanup

Replaces some whitespaces with tabs
Fixed upload button
Fixed handling of embedded attachments
Added method to move attachments to a different object id