Update circle.yml

Author: Steve Peak

circle.yml

@@ -1,4 +1,4 @@
 test:
  post:
  - if [ -e ./gradlew ]; then ./gradlew jacocoTestReport;else gradle jacocoTestReport;fi
- - pip install --user codecov && codecov
+ - bash <(curl -s https://codecov.io/bash)