gwt-tour not working

I can't get gwt-tour working with my project.

As described 

here https://github.com/eemi2010/Gwt-Tour

and here http://eemi2010.github.io/gwt-tour/

I added in my pom.xml

<repositories>
    <repository>
        <id>gwttour-mvn-repo</id>
        <url>https://raw.github.com/kerbymart/gwt-tour/mvn-repo/</url>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
        </snapshots>
    </repository>
</repositories>

<dependency>
    <groupId>com.eemi.gwt</groupId>
    <artifactId>tour</artifactId>
    <version>1.0-SNAPSHOT</version>     
</dependency>

Added in the gwt-project.xml the line

<inherits name='com.eemi.gwt.tour.GwtTour'/>

When I add the following line in the code

Tour tour = new Tour("myTour");

Compiling in SDM returns an error "failed"
Console-Log:

Linking modules
   Bootstrap link for command-line module 'at.mlux.oha'
      Linking module 'oha'
         Invoking Linker Cross-Site-Iframe
            Ignoring the following script tags in the gwt.xml file
hopscotch-0.1.js
....
....
src='{feedAuthorAvatarURL}'> (:22)
         Computing all possible rebind results for 'com.eemi.gwt.tour.client.resources.GwtTourResources'
            Rebinding com.eemi.gwt.tour.client.resources.GwtTourResources
               Invoking generator com.google.gwt.resources.rebind.context.InlineClientBundleGenerator
                  Creating assignment for css()
                     Finding resources
                        [ERROR] Resource hopscotch.css not found. Is the name specified as ClassLoader.getResource() would expect?
                  Creating assignment for js()
                     Finding resources
                        [ERROR] Resource hopscotsch-0.1.2.min.js not found. Is the name specified as ClassLoader.getResource() would expect?
         [ERROR] Errors in 'com/eemi/gwt/tour/client/GwtTour.java'
            [ERROR] Line 57: Failed to resolve 'com.eemi.gwt.tour.client.resources.GwtTourResources' via deferred

What went wrong?

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