Update INSTALL.md
Update SRF_Timeline.php

Added param definition for "named args" - copied from SMW's /includes/queryprinters/ListResultPrinter.php file.
Update SemanticResultFormats.php
Travis --dev
Merge pull request #38 from SemanticMediaWiki/travis

Travis --dev
Merge branch 'master' of ssh://wmfgerrit/mediawiki/extensions/SemanticResultFormats