First experiments towards a standalone payment microservice.
We are slowly getting closer to something  that will accept a credit card payment...
Fixed linting.
Merge commit '8b54d8c1b0de0d4092ab1a0aeb9444417ea8e275'
Corrected the message that is displayed after a money transfer was confirmed by the participant.
Cleanup of loggers
Merge remote-tracking branch 'upstream/master'
forgot app.js when globally streamlined the use of " vs. ' for marking strings
patch in grunt-contrib-jade not necessary anymore
forgot some more files when globally streamlined the use of " vs. ' for marking strings
we should have only a relative location for the node binary
need more excludes for jslint inside webstorm
some more files " -> '
removed unusable test configuration (WebStorm)
more " -> ' conversions
forgot a single '
workspace.xml is in .idea directory.
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.
hotfix for #719
Inserted new packages for /images microservice in alphabetically correct position