fix of guessChunking to handle unbalanced data sets
SimpleTag: put operator << into nix namespace
Merge pull request #333 from stoewer/master

Windows: fix a couple of issues for build with MSVC

Ok.
DataArray: remove duplicated operator<< in std ns
Merge pull request #337 from gicmo/simpletag_ostream

SimpleTag: put operator << into nix namespace
HDF5: remove remaining swap methods

Remove swap mathods in back-end entities:

- fixes  #321
- moved some methods to source files
Block.hpp: export operator<<

Export output operator to external api
Dimension: make dimension getter work in ro mode
Merge pull request #338 from stoewer/remove-swap

A couple of small fixes

Nice!
Implemented removal of links upon deletion of Sections
Implemented refs as links for EntityWithSources, corrections
Updated test cases: test if links are removed with entities linked to
Simplified deleteSource & implemented util::toId (get id from entity)
Simplified deleteSection
Implemented recursive deleteSection & deleteSource
Added test for deleteSource
Extended tests for testSection to check recursive deleteSection
Extended tests & fixed bug in recursive delete
Modified Group.cpp to check index before calling H5Lget_name_by_idx
Implemented refs as links in SimpleTag, fixed nasty bug