Language files are moved to XML format

dashboard-parent/dashboard-core/src/main/java/org/wicketstuff/dashboard/wicket-package.properties.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
+<properties>
+	<!-- widget collapse/expand -->
+	<entry key="collapse"><![CDATA[Collapse]]></entry>
+	<entry key="expand"><![CDATA[Expand]]></entry>
+	<!-- widget actions -->
+	<entry key="refresh"><![CDATA[Refresh]]></entry>
+	<entry key="delete"><![CDATA[Delete]]></entry>
+	<entry key="settings"><![CDATA[Settings]]></entry>
+	<entry key="deleteAsk"><![CDATA[Delete widget "${}"?]]></entry>
+</properties>

dashboard-parent/dashboard-core/src/main/java/org/wicketstuff/dashboard/wicket-package_de.properties.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
+<properties>
+	<!-- widget collapse/expand -->
+	<entry key="collapse"><![CDATA[Einklappen]]></entry>
+	<entry key="expand"><![CDATA[Ausklappen]]></entry>
+	<!-- widget actions -->
+	<entry key="refresh"><![CDATA[Neu laden]]></entry>
+	<entry key="delete"><![CDATA[Löschen]]></entry>
+	<entry key="settings"><![CDATA[Einstellungen]]></entry>
+	<entry key="deleteAsk"><![CDATA[Widget "${}" löschen?]]></entry>
+</properties>

dashboard-parent/dashboard-core/src/main/java/org/wicketstuff/dashboard/wicket-package_fr.properties.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
+<properties>
+	<!-- widget collapse/expand -->
+	<entry key="collapse"><![CDATA[Réduire]]></entry>
+	<entry key="expand"><![CDATA[Agrandir]]></entry>
+	<!-- widget actions -->
+	<entry key="refresh"><![CDATA[Rafraîchissez]]></entry>
+	<entry key="delete"><![CDATA[Supprimez]]></entry>
+	<entry key="settings"><![CDATA[Propriétés]]></entry>
+	<entry key="deleteAsk"><![CDATA[Supprimez le gadget "${}"?]]></entry>
+</properties>

dashboard-parent/dashboard-core/src/main/java/org/wicketstuff/dashboard/wicket-package_ro.properties.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
+<properties>
+	<!-- widget collapse/expand -->
+	<entry key="collapse"><![CDATA[Colapseaza]]></entry>
+	<entry key="expand"><![CDATA[Extinde]]></entry>
+	<!-- widget actions -->
+	<entry key="refresh"><![CDATA[Reincarca]]></entry>
+	<entry key="delete"><![CDATA[Sterge]]></entry>
+	<entry key="settings"><![CDATA[Proprietati]]></entry>
+	<entry key="deleteAsk"><![CDATA[Sterge widget "${}"?]]></entry>
+</properties>

dashboard-parent/dashboard-core/src/main/java/org/wicketstuff/dashboard/wicket-package_ru.properties.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
+<properties>
+	<!-- widget collapse/expand -->
+	<entry key="collapse"><![CDATA[Свернуть]]></entry>
+	<entry key="expand"><![CDATA[Развернуть]]></entry>
+	<!-- widget actions -->
+	<entry key="refresh"><![CDATA[Обновить]]></entry>
+	<entry key="delete"><![CDATA[Удалить]]></entry>
+	<entry key="settings"><![CDATA[Настройки]]></entry>
+	<entry key="deleteAsk"><![CDATA[Удалить виджет "${}"?]]></entry>
+</properties>