Add defaultSortInfo() method to define default sorts.
Issue #290: Allow disabling URL parameters.
Fix PHP code delimiter in README.
Merge pull request #294 from rfx1007/doc_fix_1

Fix PHP code delimiter in README.
Merge branch '7.x-1.x' into minor-perf-improve

Conflicts:
	plugins/restful/RestfulDataProviderEFQ.php