added utf-8 html header
	modified:   src-vis/org/seasr/meandre/components/vis/html/HTMLViewer.vm
oud - better stream delimiter handling, finest reporting execute entry/exit/each push
	modified:   src-vis/org/seasr/meandre/components/vis/d3/TagCloud.java
d file - close file in finally clause if not null, commented throws for null file/file not found
	modified:   src-tools/org/seasr/meandre/components/tools/io/ReadFile.java
description, tag and reporting improvements
	modified:   src-analytics/org/seasr/meandre/components/analytics/statistics/DunningLogLikelihood.java
	modified:   src-tools/org/seasr/meandre/components/tools/control/TriggerMessage.java
	modified:   src-tools/org/seasr/meandre/components/tools/text/io/UniversalTextExtractor.java
	modified:   src-tools/org/seasr/meandre/components/tools/xml/io/ReadXML.java
	modified:   src-vis/org/seasr/meandre/components/vis/html/VelocityTemplateToHTML.java
added mallet hierarchical LDA component (WIP)
	new file:   src-analytics/org/seasr/meandre/components/analytics/mallet/TopicModelingHeirarchical.java