updated vapi
fix #41 (scrolling to top when selecting message text in --textview mode)
Disable/enable autoscroll on user interaction
Moved format_filesize to uitools, fixed group_bot
Reworked settings window
Added a sidebar showing peers in groupchats, removed the one space at line end in --textview mode
using is_active instead of has_focus to determine if window is active.
Put sidebar into scrolledwindow
Change "peers connected" to "users in chat"
Merge pull request #97 from Proplex/master

Change "peers connected" to "users in chat"
Hide send file button for groupchats
Workaround for discarded messages from missing groupchatcontacts
small formatting fix for the tox vapi
Added GLib.Actions for common tasks
Workaround for gtk+3.4 menuitems not deriving from Gtk.Actionable
using actions for edit-user and copy-id
fixes #74 (warning about whitespace in ids), reworked the add_friend_dialog a bit, removed dependency to ResourceFactory
fixes #67 (set file permissions to u+rw only)
Fix for "" entries in the sidebar
Small terminology fix
Added VENOM_VERSION_RELEASE variable to allow packaging information in the binary