[augments] Added augmenting to the InfoRepositoryWrapper plugin.

Augments allow the indexer to 

Signed-off-by: Peter Kriens <peter.kriens@aqute.biz>
Used wrong stream to save properties file (thanks BJ!)



Signed-off-by: Peter Kriens <peter.kriens@aqute.biz>
[repos] #404 Delete entry menu on the FixedIndexedRepo and a Refresh menu entry on FixedIndexed and LocalIndexed Repos 

Signed-off-by: Peter Kriens <peter.kriens@aqute.biz>
[filter] The filter map matching failed

The filter was lowercasing the attribute name before it did a lookup in the dictionary. This was not necessary because the dictionary/map should implement case insensitive lookups.

So removed the toLowerCase
[persistentresource] Attribute conversion got confused

The attribute conversion always used strings instead of the object counterpart. Changed to use proper encoding.
[wrappertest] Updated the wrapper test to not download external things
Merge pull request #641 from pkriens/master

Diverse updates. Main: solves Import-Service issues with jpm (and potentially others)