implement avatar hash caching instead of getting full avatar each time
change file eta to be overall average
handles jitter much better
mv some files, clean up top level folder
fix #334
Merge branch 'master' of https://github.com/krepa098/qTox into avatarhash
fix file mvs
Merge pull request #342 from dubslow/avatarhash

implement avatar hash caching instead of getting full avatar each time