fixed concurrent modification of contacts which led to missing presences
cleaned up debug log a little bit
fixed default autoaccept file size and wrongly marked message
made debugging verbose again on specific parts
fixed replace contact in conversation
more jingle bug fixes
fixed #50
made our spanish friends happy. fixed #68
added proxy activate and a lot of code clean up. totatly untested
added missing transport id
allow images to be opened with gallary app
code cleanup
added support for ibb
added download button for images not accepted automatically
deny files with unknown file types
smoother scrolling (first step)
couple of more optimazations on image loading
setting backround color if image comes directly from cache
fixed #75
unified presence selection for otr and file transfer