fixed shading for #15 as suggested by @davidmc24

Author: Sandro Boehme

pom.xml

@@ -189,11 +189,7 @@
                             <relocations>
                                 <relocation>
                                     <pattern>org.apache.commons.io</pattern>
-                                    <shadedPattern>internaldeps.org.apache.commons.io</shadedPattern>
-                                </relocation>
-                                <relocation>
-                                    <pattern>org.slf4j</pattern>
-                                    <shadedPattern>internaldeps.org.slf4j</shadedPattern>
+                                    <shadedPattern>org.lesscss.deps.org.apache.commons.io</shadedPattern>
                                 </relocation>
                             </relocations>
                             <minimizeJar>true</minimizeJar>