Jenkins ChangeSet for http://dev.digital-humanities.de/ci/view/TextGridLab%20Modules/job/Aggregator/158/
Force accept header & redirections for external stylesheets.by vitt
#src/main/java/info/textgrid/services/aggregator/util/StylesheetManager.java
Test for ePoetics (external handle-published stylesheet)by vitt
#src/test/java/info/textgrid/services/aggregator/html/HtmlRegressionTest.java
+src/test/resources/2shhm.0.html