Add influxql parser.
Add LIST/DROP SERIES and LIST/DROP CONTINUOUS QUERIES.
Change DROP CONTINUOUS QUERY to use a query name.
Add test for influxql case insensitivity.
Add garbage influxql test.
Add influxql.Call.
Add CREATE CONTINUOUS QUERY parsing.
Add ParenExpr.
Add microsecond support to influxql.ParseDuration.
Merge pull request #1159 from influxdb/parser

Parser