Localisation updates from https://translatewiki.net.

Change-Id: I8afab63fd3f3c4a5e1a7878a9599fd378528263c
Localisation updates from https://translatewiki.net.

Change-Id: I6538bf184e44dd3a97a55c220d2b633eb8dc306b
Add QueryResultSelection hooks

- `SMW::Store::selectQueryResultBefore` can be used to implement a QueryCache
- `SMW::Store::selectQueryResultAfter` can be used to implement a UsageTracker
Merge pull request #557 from SemanticMediaWiki/rfc-555

Add QueryResultSelection hooks
Update RELEASE-NOTES.md

[skip ci]
Add DataItem::__toString

Allows to exercise array_unique( $dataItems )
Merge pull request #558 from SemanticMediaWiki/rfc-555

Add DataItem::__toString
Reset after QueryResult::serializeToArray

If one wants to check `QueryResult::getHash` before working with the
object it is currently not possible because `serializeToArray` forwards
the array position.
Merge pull request #559 from SemanticMediaWiki/rfc-555

Reset after QueryResult::serializeToArray
Merge branch 'master' of ssh://wmfgerrit/mediawiki/extensions/SemanticMediaWiki
Localisation updates from https://translatewiki.net.

Change-Id: If7adaede53d3a1c1c08b3bf4b2976c8e404a5dee
Add Query::getHash
Merge pull request #560 from SemanticMediaWiki/rfc-555

Add Query::getHash
Improve output formatting
Merge pull request #563 from SemanticMediaWiki/benchmark

Improve output formatting
Use Fuseki 1.1.1 / 2014-10-08
Merge pull request #564 from SemanticMediaWiki/fuseki

Use Fuseki 1.1.1 / 2014-10-08
Modernize Special:SearchByProperty