Improve thread name.

Really, nobody cares about the identity of the plugin talker itself,
but the name of the plugin being talked to? That is pure gold.
Don't attempt to load and display the entire log file.
Read log file line by line, and escape any HTML when displaying.
Return StringBuilder instead of String from readUTF.
Move log tail reader to FileUtil

A file utility like this should not be defined as part of a Toadlet
because it is not a UI-level thing.
Add translation updates from Transifex
Fix Swedish language ISO code

Addresses https://bugs.freenetproject.org/view.php?id=6146
Add Brazilian Portuguese translation

Thanks to volunteers on Transifex.
Update Swedish, Simplified Chinese, and Traditional Chinese translations

Thanks to volunteers on Transifex.
Fixed most StoreLocationStats instances returned from NodeStats reporting wrong distance stats because they were querying the wrong stores for the key counts.
Remove obsolete import of CHKStore in NodeStats.
Merge pull request #209 from waldheinz/distance-stats-fix

Fix StoreLocationStats
Remove redundant "this." qualifier
Expose the plugin manager from the node.
Refactor list of official plugins into an own class.
Update Freemail plugin.
Merge pull request #213 from Bombe/update-freemail-plugin

Update Freemail plugin.
Add "sign" Ant target to sign the distribution
Update FlogHelper plugin.
Update JSTUN plugin.