Modify readme to add link, pre-requirements and license.
Merge pull request #1 from ykubota/modifyREADME

Modify readme to add link, pre-requirements and license.
Chart color fix in log plugin.
Chart color fix in Summary Data tab of snapshot plugin.
Add object color support.
Add CSV dumper for GC statistics.
Add CSV dumper for Class Histogram.
Highlight chart symbols when log archive was collected.
Refine Top N chart coloring.
Add menu handler for SnapShot and Log open.
Incorrect legend is shown in SnapShot plugin.
Incorrect legend is shown in Log plugin.
Performance improvement for SnapShot parser.
NPE occurres when Analyzer is executed with "java -jar HeapStatsFXAnalyzer.jar" .
Safepoint should be treated as diff data.