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Merge branch 'master' of github.com:movence/ometa
-added event name check for sample requirement test during event load
-Event Loader now produces excel templates

Conflicts:

	main/src/java/org/jcvi/ometa/action/EventLoader.java
	main/src/java/org/jcvi/ometa/utils/TemplatePreProcessingUtils.java
Revert "-Event Loader now produces excel templates"

This reverts commit 2c1ad613da143f0a89d97ee60ec8b270c6a2d47b.
-Event Loader now produces excel templates
-modified file download settings in EventLoader

Conflicts:

	main/src/java/org/jcvi/ometa/action/EventLoader.java
	main/src/java/org/jcvi/ometa/utils/TemplatePreProcessingUtils.java
-added default date format "yyyy-MM-dd" to Constants class for application wide access
-updated apache POI library from 3.7 to 3.9
-renamed csv util to template util

Conflicts:

	main/src/www/WEB-INF/struts.xml
-added sample name getter function to utils script file

Conflicts:
-added data validation check to excel templates for date, project name, int and float data types
removed project name validation in an excel template
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