Dials

* bug fix for DLS I23 images where MultiAxisGoniometer does not exist
* fix map coordinates in _dials.image_viewer_ (442)
* fix max_cell determination in indexing (386)
* fix for setting interval widths in scan-varying refinement
* _xia2.report_: fix multiplicity p

* _dials.show_ improvements and shoebox stats
* Allow disabling of ice ring filtering in spot finding server
* xia2: Fix dynamic shadowing for _pipeline=3d_
* _xia2.strategy_: improve _BEST_ integration

* dials.refine: performance improvements for scan-varying refinement
* dials.refine: bug fix for I23's P12M detector
* Better default gain for ADSC CCD detectors
* dials.import: dynamic_shadowing now turned on by default where a goniometer shadow model is available

* *dials.reciprocal_lattice_viewer*: correctly handle multiple sweeps in single file (407)
* xia2: *image=* parameter did not work as expected when including multiple slices from the same dataset (xia2/xia2138)
* Recognize and drop NaN values in iotbx data plotting (xia2/xia2142)

* Many _dials.export_ fixes, including exports from single images (388)
* xia2: Make *d_min=* command line parameter work again (xia2/xia2136)
* xia2: Avoid crash when running xtriage on centric data (xia2/xia2139)
* xia2: Move extra multiplicity files away from main directory (xia2/xia2140)
* xia2: Remove '.bat' from output file names when run on Windows
* xia2: Improvements in HTML report (xia2/xia2133, xia2/xia2141)
* xia2: _xia2.strategy_ fixes

* cctbx algorithmic stability fixes (cctbx/cctbx_project43)
* dials.export_mtz: improved error messages (357)
* xia2: Generate .p4p files in small molecule mode (xia2/xia2134)