add readme stuff

README.md

 ### Microservice Framework in JAVA
+## 1.4.x: New microservices design:
+- Truly async handling for rest commands receive and send
+- set log level from rest:
+  /_logLevel { "Level":"debug" }
+- /static/metrics.html shows a simple table of application metrics
+- add ZeroMQ support for Rest
 ## 1.3.8: Add colorful logging
 ## 1.3.7: Add Pagination - PageBuilder
 ## 1.3.6: upgrade common-utils 1.2.0