Clickhouse Datasource plugin version update to 2.0.0

# 2.0.0 (2020-06-17)

## Enhancements:
* compatibility with grafana 7.x, please use environment variable `GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS=vertamedia-clickhouse-datasource` or `allow_loading_unsigned_plugins=vertamedia-clickhouse-datasource` in plugins section of `grafana.ini` Altinity/clickhouse-grafana#192
* add grafana 7.x alerting support thanks to Brian Thai https://github.com/bmanth60
* add alias support to $perSecondColumns macro Altinity/clickhouse-grafana#193
* Support `custom` variable type and empty values for `$conditionalTest` macro Altinity/clickhouse-grafana#178
* add docker-compose.yaml to improve local development

## Fixes:
* fix AST for corner case when quotes escaped inside quotes Altinity/clickhouse-grafana#123, Altinity/clickhouse-grafana#195
* fix Altinity/clickhouse-grafana#179,  add "Extrapolation" checkbox to Query Editor

Signed-off-by: Slach <[email protected]>

repo.json

@@ -2127,6 +2127,11 @@
           "version": "1.9.5",
           "commit": "50d46ef5138f5b5d8098c1cbacc7f0d3f56e16a9",
           "url": "https://github.com/Vertamedia/clickhouse-grafana"
+        },
+        {
+          "version": "2.0.0",
+          "commit": "f60bdeac5aa45d43f2c9cdd186e160b855b0feca",
+          "url": "https://github.com/Vertamedia/clickhouse-grafana"
         }
       ]
     },