Allow multiline queries
Allow multiline queries

A multiline query cases a badmatch because the parser assumes single line
queries.  Changing the pattern and testing a few multiline queries showed they
are parsed just the same as their single line counterparts.

xuejianhai/riak_search,wwezhuimeng/riak_search,basho/riak_search,wwezhuimeng/riak_search,basho/riak_search,xuejianhai/riak_search