Added release notes
Merge branch 'develop' of github.com:cyclus/cyclus into develop
Added release notes
updated release notes
fixed stupid conflict
created hdf5 backend - seems to be working. Probably could use some
performance tweaking.
refactored hdf5 back by splitting large code into smaller functions.
rewrote hdf5 backend to use C API. Made Sqlite destructor virtual
added custom backend specification to App.cp via output file extension
added hdf5back test