use famfamfam silk icons from webjars

as it is CC-BY 2.5 license

Remove fold.png unfold.png xpath_attribute.png
as they have unknown IP origin.
diff --git a/taverna-xpath-activity-ui/pom.xml b/taverna-xpath-activity-ui/pom.xml
index ff914b0..c2a7834 100644
--- a/taverna-xpath-activity-ui/pom.xml
+++ b/taverna-xpath-activity-ui/pom.xml
@@ -66,5 +66,10 @@
             <artifactId>taverna-activity-tools</artifactId>
             <version>${taverna.workbench.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>famfamfam-silk</artifactId>
+            <version>1.3-1</version>
+        </dependency>
     </dependencies>
 </project>
diff --git a/taverna-xpath-activity-ui/src/main/java/org/apache/taverna/activities/xpath/ui/servicedescription/XPathActivityIcon.java b/taverna-xpath-activity-ui/src/main/java/org/apache/taverna/activities/xpath/ui/servicedescription/XPathActivityIcon.java
index 02bc8de..2a00d62 100644
--- a/taverna-xpath-activity-ui/src/main/java/org/apache/taverna/activities/xpath/ui/servicedescription/XPathActivityIcon.java
+++ b/taverna-xpath-activity-ui/src/main/java/org/apache/taverna/activities/xpath/ui/servicedescription/XPathActivityIcon.java
@@ -1,20 +1,20 @@
 package org.apache.taverna.activities.xpath.ui.servicedescription;

-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+/*

+ * Licensed to the Apache Software Foundation (ASF) under one or more

+ * contributor license agreements.  See the NOTICE file distributed with

+ * this work for additional information regarding copyright ownership.

+ * The ASF licenses this file to You under the Apache License, Version 2.0

+ * (the "License"); you may not use this file except in compliance with

+ * the License.  You may obtain a copy of the License at

+ *

+ *      http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing, software

+ * distributed under the License is distributed on an "AS IS" BASIS,

+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+ * See the License for the specific language governing permissions and

+ * limitations under the License.

+ */

 

 import java.awt.Color;

 import java.net.URI;

@@ -33,27 +33,29 @@
 

 	// --- LOCATIONS OF ICONS USED IN THE XPath ACTIVITY ---

 

-	private static final String FAMFAMFAM_SILK_PATH = "famfamfam_silk/";

-	private static final String FOLDS_PATH = "folds/";

+	/* from famfamfam-silk webjar

+	 * http://www.famfamfam.com/lab/icons/silk/

+	 */

+	private static final String FAMFAMFAM_SILK_PATH = "/META-INF/resources/webjars/famfamfam-silk/1.3/icons/";

 

 	public static final String XPATH_ACTIVITY_ICON = FAMFAMFAM_SILK_PATH + "page_white_code.png";

-	public static final String XPATH_ACTIVITY_CONFIGURATION_PARSE_XML_ICON = "arrow_right.png";

+	public static final String XPATH_ACTIVITY_CONFIGURATION_PARSE_XML_ICON = FAMFAMFAM_SILK_PATH + "arrow_right.png";

 

 	public static final String XML_TREE_ROOT_ICON = FAMFAMFAM_SILK_PATH + "page_white_code.png";

 	public static final String XML_TREE_NODE_ICON = FAMFAMFAM_SILK_PATH + "tag.png";

-	public static final String XML_TREE_ATTRIBUTE_ICON = "xpath_attribute.png";

+	public static final String XML_TREE_ATTRIBUTE_ICON = FAMFAMFAM_SILK_PATH +  "textfield.png";

 

 	public static final String XML_TREE_EXPAND_ALL_ICON = FAMFAMFAM_SILK_PATH

-			+ "text_linespacing.png";

+			+ "folder_explore.png";

 	public static final String XML_TREE_COLLAPSE_ALL_ICON = FAMFAMFAM_SILK_PATH

-			+ "text_linespacing (collapse).png";

+			+ "folder.png"; 

 

 	public static final String XPATH_STATUS_OK_ICON = FAMFAMFAM_SILK_PATH + "accept.png";

 	public static final String XPATH_STATUS_ERROR_ICON = FAMFAMFAM_SILK_PATH + "exclamation.png";

 	public static final String XPATH_STATUS_UNKNOWN_ICON = FAMFAMFAM_SILK_PATH + "help.png";

 

-	public static final String FOLD_ICON = FOLDS_PATH + "fold.png";

-	public static final String UNFOLD_ICON = FOLDS_PATH + "unfold.png";

+	public static final String FOLD_ICON = FAMFAMFAM_SILK_PATH + "text_indent.png";

+	public static final String UNFOLD_ICON = FAMFAMFAM_SILK_PATH + "text_indent_remove.png";

 

 	// ------

 

diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/arrow_right.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/arrow_right.png
deleted file mode 100644
index 2cf15f1..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/arrow_right.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/accept.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/accept.png
deleted file mode 100644
index 89c8129..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/accept.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/exclamation.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/exclamation.png
deleted file mode 100644
index c37bd06..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/exclamation.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/help.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/help.png
deleted file mode 100644
index 5c87017..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/help.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/page_white_code.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/page_white_code.png
deleted file mode 100644
index 0c76bd1..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/page_white_code.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/tag.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/tag.png
deleted file mode 100644
index e093032..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/tag.png
+++ /dev/null
Binary files differ
diff --git "a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing \050collapse\051.png" "b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing \050collapse\051.png"
deleted file mode 100644
index ff09e31..0000000
--- "a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing \050collapse\051.png"
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing.png
deleted file mode 100644
index 1a91cbd..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/famfamfam_silk/text_linespacing.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/fold.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/fold.png
deleted file mode 100644
index a13d280..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/fold.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/unfold.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/unfold.png
deleted file mode 100644
index 589e2c9..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/folds/unfold.png
+++ /dev/null
Binary files differ
diff --git a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/xpath_attribute.png b/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/xpath_attribute.png
deleted file mode 100644
index 3fa7811..0000000
--- a/taverna-xpath-activity-ui/src/main/resources/org/apache/taverna/activities/xpath/ui/servicedescription/xpath_attribute.png
+++ /dev/null
Binary files differ