ClickHouse Database datasource plugin update to 2.1.0

# 2.1.0 (2020-08-13)

## Enhancement:
* add "Skip comments" checkbox to query editor to pass SQL comments to server, fix Altinity/clickhouse-grafana#265
* add setup notes for Grafana 7.x to README
* add SQL preprocessing logic on browser side with <% js code subset %>, Altinity/clickhouse-grafana#186, thanks @fgbogdan
* improve alerts query processing for use case when `query(query_name, from, to)` time range is less than visible dashboard time range, see Altinity/clickhouse-grafana#237
* improve alerts json parsing in golang part for case when we have string fields in response which interprets as series name, see Altinity/clickhouse-grafana#230
* properly parsing POST queries in golang part of plugin, Altinity/clickhouse-grafana#228, thanks @it1804

## Fixes:
* fix corner cases for $macro + subquery, see Altinity/clickhouse-grafana#276 and Altinity/clickhouse-grafana#277
* fix parallel query execution, see Altinity/clickhouse-grafana#273
* fix identifiers quotes, see Altinity/clickhouse-grafana#276, Altinity/clickhouse-grafana#277
* fix plugin.json for pass `grafana-plugin-repository` plugin validator
* fix multi-value variables behavior - Altinity/clickhouse-grafana#252
* add Vagrantfile for statefull environment and allow to upgrade scenario like  grafana 7.1.0 + grafana-cli upgrade-all
  * fix Altinity/clickhouse-grafana#244
  * fix Altinity/clickhouse-grafana#243
* add multiple dashboard examples for github issues:
  * fix Altinity/clickhouse-grafana#240
  * fix Altinity/clickhouse-grafana#135
  * fix Altinity/clickhouse-grafana#245
  * fix Altinity/clickhouse-grafana#238
  * fix Altinity/clickhouse-grafana#232
  * fix Altinity/clickhouse-grafana#127
  * fix Altinity/clickhouse-grafana#141

Signed-off-by: Eugene Klimov <[email protected]>

repo.json

@@ -2170,28 +2170,8 @@
           "url": "https://github.com/Vertamedia/clickhouse-grafana"
         },
         {
-          "version": "2.0.3",
-          "commit": "a02221e32a4ee24c57271f8a9d54d9f218113f86",
-          "url": "https://github.com/Vertamedia/clickhouse-grafana"
-        },
-        {
-          "version": "2.0.4",
-          "commit": "f340426c950b954dfe34a1f20f5fc0f24f7cf927",
-          "url": "https://github.com/Vertamedia/clickhouse-grafana"
-        },
-        {
-          "version": "2.0.5",
-          "commit": "3bc06edb0e86e08378ab9bfed70f6a65e8ba1a02",
-          "url": "https://github.com/Vertamedia/clickhouse-grafana"
-        },
-        {
-          "version": "2.0.6",
-          "commit": "a7a610f0c5cbd538dc00bf5eed89ef0739a11664",
-          "url": "https://github.com/Vertamedia/clickhouse-grafana"
-        },
-        {
-          "version": "2.0.7",
-          "commit": "077cd7958ed28bba6fae9239917731b317f76898",
+          "version": "2.1.0",
+          "commit": "bcee398e90e5f3ddb1140034c9f436b1b399a158",
           "url": "https://github.com/Vertamedia/clickhouse-grafana"
         }
       ]