Merge branch 'master' into better_summary

Author: NikolayS

README.md

@@ -1,6 +1,7 @@
 [![CircleCI](https://circleci.com/gh/postgres-ai/nancy.svg?style=svg)](https://circleci.com/gh/postgres-ai/nancy)
 
-Description
+About
+<img width="122" alt="screen shot 2018-09-18 at 03 04 09" src="https://user-images.githubusercontent.com/1345402/45656700-8a987f00-baef-11e8-87b6-cccf8f65ee8f.png" align="right">
 ===
 Nancy helps to conduct automated database experiments.
 

nancy_run.sh

@@ -1529,4 +1529,4 @@ echo -e "  Queries:            "$(docker_exec cat $MACHINE_HOME/$ARTIFACTS_FILEN
 echo -e "  Query groups:       "$(docker_exec cat $MACHINE_HOME/$ARTIFACTS_FILENAME/pgbadger.json | jq '.normalyzed_info | length')
 echo -e "  Errors:             "$(docker_exec cat $MACHINE_HOME/$ARTIFACTS_FILENAME/pgbadger.json | jq '.overall_stat.errors_number')
 echo -e "  Errors groups:      "$(docker_exec cat $MACHINE_HOME/$ARTIFACTS_FILENAME/pgbadger.json | jq '.error_info | length')
-echo -e "------------------------------------------------------------------------------"
+echo -e "------------------------------------------------------------------------------"