update readme

README.md

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 # ABySS-explorer
 visual exploration of ABySS assembly data
+
+Written by [Ka Ming Nip](mailto:kmnip@bcgsc.ca)
+
+Copyright 2011 Canada's Michael Smith Genome Sciences Centre, BC Cancer
+
+-------------------------------------------------------------------------------
+
+## Dependency :pushpin:
+
+* [Java SE Runtime Environment (JRE) 8](http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html)
+* [JFreeChart 1.0.18](http://www.jfree.org/jfreechart/)
+* [JUNG 2.0.1](http://jung.sourceforge.net/)
+
+Check your Java version:
+```
+java -version
+```
+
+Example:
+```
+java version "1.8.0_101"
+Java(TM) SE Runtime Environment (build 1.8.0_101-b13)
+Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)
+```
+