removed run/batch-data keeping during generation

- RunData and BatchData objects will no longer be stored during
generation, instead the series structure (no values) will be read for
aggregation after generation
fixed "index out of range" bug for bin.distr.
adds weight selections for 2- and 3-dimentional weights
adds getter method for weight stored in updates
adds metric (u&r) for computing the RootMeanSquareDeviation
adds shared initialization of distribution to RMSD
added manual gc-calls (configurable)
FIXES a bug in the weight selection for double weights
added WRITING ONLY for batches&Aggr. as zip
add ZipReader class + location change on stat. FS
added ZipReader integration (no aggregation yet)
added ZipSupport in Aggregation (1 unfixed bug)

bug description: Files.getDistributions() returns mysterious
distributions that arent really present
bug fixes in ZipSupport in Aggregation (1bug lft)

- Files.getDistributions() doesn't work for ZipFiles, need to write
working method
fixed Files.getDistributions bug, aggr. works
added method to get Metrics in zipfiles
added batchdata fastread for zipped batches
added binsize variable to aggbin. distributions
added new improved aggregation
improved aggr. series support
added IOExcp. instead of Throwables

- also added timer for aggregation