update german translation
Latest labels in Finnish
Add zh_CN translation.
Merge pull request #191 from rthome/master

Update German translation
Merge pull request #192 from JKakku/patch-1

Latest labels in Finnish
Merge pull request #195 from yxd-works/zh-translation

Add zh_CN translation.
use guava for lock handling
queue size in metrics
allow proxy configuration out of the box (fix #196)
use weak references for lock keys
wait for lock for one minute, then timeout
first resolve absolute url then truncate
better log message
Merge pull request #1 from Athou/master

update to new version
requeue feed immediatly if an entry fails to update
add more locks to the pool
set lang header
missing =
display log error when lock fails
feeds with http errors now bypass update queue