[Mondrian] Upgrading retroweaver / Pentaho artifactory

[Julian Hyde]

> Eric wrote:
>
> Retroweaver 2.0.7 is downloadable here:
> 
>    https://sourceforge.net/project/showfiles.php?group_id=104240
> 
> All we really need in the Pentaho repository are these two jars from  
> the release/ directory:
> 
>    retroweaver-2.0.7.jar
>    retroweaver-rt-2.0.7.jar
> 
> The other two retroweaver jars aren't needed, and the asm and 
> backport- 
> util-concurrent jars in lib can be pulled from ibiblio instead.
> 
> I did make a few changes to ivy.xml and build.xml to be compatible  
> with the new version and correctly identify the other jars 
> located in  
> the ibiblio repository; I've attached them in case you want to try a  
> test run once the Pentaho repository is updated.

I've uploaded those jars to the pentaho repository, and the build/tests run
with the new ivy config.

Go ahead and check in when you are ready.

Julian