Merge pull request #70 from michalbe/master-temp

[JSNEWS-CLIENT] - package.json dependencies updates zcc
Merge pull request #71 from michalbe/master-temp

[JSNEWS-CLIENT] - localization fixes
Merge pull request #72 from michalbe/master-temp

[JSNEWS-CLIENT] - L20N fixes
caching with leveldb

caching with leveldb, ready for push
Merge pull request #73 from leriel/master

Close #33
[JSNEWS-CLIENT] - v++