Initial OpenECOMP UI/DMaapBC commit

Change-Id: Ia492e1b88311b9bed4c31f593b28deaaad73b7e4
Signed-off-by: talasila <talasila@research.att.com>

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+DMaaP Bus Controller Application
+================================
+
+The DMaaP Bus Controller web application provides a front-end GUI to a subset of 
+the OpenDCAE DMaaP Bus Controller API. The GUI offers a user-friendly way for DMaaP 
+administrators to add, modify and remove Data Router feeds (transfers of large
+file-based data sets) and Message Router topics (low-latency transfers of small 
+messages).  Users can view all feeds and topics; add and remove feed  publishers; 
+add and remove feed subscribers; and add and remove topic clients. 
+
+The Data Bus Controller web application is a essentially proxy that passes thru 
+all requests to the DMaaP bus controller's REST API, and displays the results. 
+All data is stored in the DMaaP bus controller back-end; the application stores no 
+data on feeds or topics.  The application only stores user-entered access profiles. 
+
+This application is planned for integration with ECOMP Portal in release 1610, 
+and is expected to run on the same virtual machines and the same Apache Tomcat web
+containers as the Portal application.
+
+This application is based on the ECOMP SDK.  Use Apache Maven to build and package
+this webapp for deployment.  See the file dbc-app-deployment-guide.txt for complete 
+details.
+
+This application relies on the DBC Microservice to access DMaaP access profiles.
+A related Maven project contains the code and deployment instructions for that 
+micro service.
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