Localisation updates from https://translatewiki.net.

Change-Id: I115d42fcca7b13380c8c3364625290ca3e52365f
Excel format: Added parameters 'filename' and 'templatefile'

* filename: the download filename for the generated file
* templatefile: a template file from the NS_FILE namespace used for formatting the generated file
Merge pull request #46 from welterkj/master

Update SRF 'format=graph' to use GraphViz extension version 1.1+.
Merge pull request #47 from s7eph4n/master

Excel format: Adds parameters 'filename' and 'templatefile'
Update release notes to indicate format=graph is supported by mediawiki/graph-viz.
Merge remote-tracking branch 'upstream/master' into update-release-notes-for-graph-viz
Merge branch 'master' of ssh://wmfgerrit/mediawiki/extensions/SemanticResultFormats
Merge remote-tracking branch 'upstream/master'