It looks like something changed with how image icons are retrieved and it has broken the new analysis wizard icons. Stacktrace below and screenshot of the broken icons is attached)

!ENTRY org.eclipse.jface 2 0 2015-09-24 12:44:14.655
!MESSAGE The image could not be loaded: URLImageDescriptor(platform:/plugin/edu.illinois.ncsa.ergo.gis.ui/bundleresource:/24.fwk1552400354:1/icons/watch_exp.gif)
!STACK 0
org.eclipse.jface.resource.DeviceResourceException: Unable to create resource URLImageDescriptor(platform:/plugin/edu.illinois.ncsa.ergo.gis.ui/bundleresource:/24.fwk1552400354:1/icons/watch_exp.gif)
at org.eclipse.jface.resource.ImageDescriptor.createResource(ImageDescriptor.java:166)
at org.eclipse.jface.resource.DeviceResourceManager.allocate(DeviceResourceManager.java:52)
at org.eclipse.jface.resource.AbstractResourceManager.create(AbstractResourceManager.java:86)
at org.eclipse.jface.resource.ResourceManager.createImageWithDefault(ResourceManager.java:192)
at org.eclipse.jface.resource.ImageRegistry.get(ImageRegistry.java:214)
at edu.illinois.ncsa.ergo.gis.ui.providers.TrimmedCategoryLabelProvider.getImage(TrimmedCategoryLabelProvider.java:116)
at org.eclipse.jface.viewers.WrappedViewerLabelProvider.getImage(WrappedViewerLabelProvider.java:101)
at org.eclipse.jface.viewers.WrappedViewerLabelProvider.update(WrappedViewerLabelProvider.java:146)
at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:154)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:949)
at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:114)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1029)
at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:473)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2176)
at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren(AbstractTreeViewer.java:2755)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1916)
at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:684)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1891)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1848)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1834)
at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1526)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1462)
at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:366)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1423)
at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1523)
at org.eclipse.jface.viewers.ColumnViewer.refresh(ColumnViewer.java:522)
at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1482)
at org.eclipse.jface.viewers.ContentViewer.setLabelProvider(ContentViewer.java:323)
at org.eclipse.jface.viewers.StructuredViewer.setLabelProvider(StructuredViewer.java:2222)
at org.eclipse.jface.viewers.ColumnViewer.setLabelProvider(ColumnViewer.java:351)
at edu.illinois.ncsa.ergo.core.analysis.ui.wizards.selectanalysis.SelectAnalysisWizardPage.createControl(SelectAnalysisWizardPage.java:107)