workspace.xml is in .idea directory.
Merge pull request #716 from leider/master

mainly " -> ' changes
Fix for Bug #717: When there are too many matching results, MongoDB's mapreduce will invoke the reduce multiple times, nesting the results... We need to flatten the resulting array structure.
Merge pull request #718 from NicoleRauch/hotfix

Fix for Bug #717
hotfix for #719