clean up
small update
Merge branch 'origin/feature-attachments'
Merged 'dev'.
multiple files possible
update blob view
add request events in file model
Merge branch 'origin/feature-attachments'
added tests
fix file download
Merge branch 'origin/feature-attachments'
add events for decrypting and encrypting chunks
fix
update event handling
update encrypt und decrypt with empty secretKey
change download-decrypt order
update download-decrypt events
rm commented lines
removed bootstraped
encrypt before chunk upload
change download order for files in messages