Merge pull request #147 from Akuankkis/master

Finnish translation.
updated windows release files to support translations split into multiple files (#146)
remove trailing slash from filenames before adding, because getting basename on OSX fails otherwise
updated OSX release files to support translations split into multiple files (#146)
split starting server status message into three verbose chunks
launch Flash in threaded mode, to support multiple concurrent connections (#117)
Update Dutch translation
handles canceled downloads properly (fixes #81)
Merge pull request #148 from lazlolazlolazlo/dutch

Update Dutch translation
version bump to 0.6, updated changelog, updated readme, and took new screenshots
Merge branch 'master' of github.com:micahflee/onionshare
moved screenshot in readme