* dxtbx: Converted models into C++. Bug fixes for HDF5/Eiger files to correct a previously inverted axis.
* _dials.align_crystal_: numerous bug fixes and simplified output
* _dials.find_spots_: Correctly smooth histogram, 317
* _dials.geometry_viewer_: display of crystal basis vectors, and added fast, slow, normal vectors to panels in display
* _dials.image_viewer_: new mask generation tool; performance improvements
* _dials.import_: full specification of meta data from phil parameters; can now import data with different detector etc into same file
* _dials.index_: improvements to nearest neighbour analysis used in max_cell estimation (optionally choose between linear and logarithmic histogram binning)
* _dials.reciprocal_lattice_viewer_: reciprocal unit cell display
* _dials.refine_: equal shift constraints
* _dials.rl_png_: fix crash
* All dials programs: no longer attempt to read from STDIN when run on a terminal (326), generic performance improvements (292)