Changes

Summary

Commit d2989dd8706d84bc4ec5dd0d585ac0baac3e0170 by Thorsten Vitt Menu item to reload all preview XSLTs. Forgets all cached XSLTs, reloads the current editor's preview page. Still needs I18n, and probably a better place than the XML menu. Refs #17322
The file was modified	info.textgrid.lab.xmleditor.mpeditor/src/info/textgrid/lab/xmleditor/mpeditor/MPXmlEditorPart.java
The file was modified	info.textgrid.lab.xmleditor.mpeditor/plugin.xml
The file was modified	info.textgrid.lab.xmleditor.mpeditor/src/info/textgrid/lab/xmleditor/mpeditor/PreviewPage.java