Support for storing multipoint analysis data.
Main changes:
- The storage frames now store a vector of "point set info" objects,
which partition the vector of values into point sets, and annotate
those sets with extra information (currently, the index of the first
column).
- The implementation of the frame access wrappers in dataframe.* are
adapted similarly, and methods are added to allow access to multiple
point sets within a single frame.
- Added tests for multipoint storage.
- Other changes are adapting to these interface changes.
Still doesn't work perfectly; full support for addColumnModule()
requires reworking the logic in dataproxy.cpp.
Part of #869.
Change-Id: I21141bad83b3f2bb72ece9146aaec02792e6cd0e
12 files changed: