Localisation updates from https://translatewiki.net.

Change-Id: Ieac63a6f371efcf5111a6e51ad81be08c4e0c097
DataTypeRegistry

Change-Id: I896d1e982fbbd05a85f4116ff49980b04f830b23
BrowseBySubject

Change-Id: I3bb2c0c7f182ad0e92a9eca9fe23e2ed083901e3
SpecialPageTestCase

Change-Id: I476122604d1aae3de948f45a1f9af34b35d9b774
ContentParserTest

Change-Id: I1243e8eadf54d4039fd43d93df6c9c0abfba5148
NewRevisionFromEditCompleteTest

Change-Id: Iae0ef2c48d2ef518ac2d26ee231a51b154116f11
Merge pull request #87 from SemanticMediaWiki/tests

Improve tests