fixes for the project file (#123)

Author: AndreyAPopov

toolboxPackaging.prj

@@ -7,7 +7,7 @@
     <param.summary>A MATLAB suite of initial value problems</param.summary>
     <param.description />
     <param.screenshot>${PROJECT_ROOT}/images/logo.png</param.screenshot>
-    <param.version>0.0.1</param.version>
+    <param.version>0.2.0</param.version>
     <param.output>${PROJECT_ROOT}/ODE Test Problems.mltbx</param.output>
     <param.products.name />
     <param.products.id />
@@ -44,7 +44,6 @@
     <unset>
       <param.email />
       <param.description />
-      <param.screenshot />
       <param.output />
       <param.products.name />
       <param.products.id />