collect: fix date and add a 'time' filter.
Minor code reorganisation.
Code refactoring to expose dt_ratings_apply_to_image.
Add support for importing rating from Lightroom XMP.
Konica Minolta Dynax 5D enhanced color matrix with help from Wolfgang Kuehnel
Sony A230 enhanced color matrix with help from Wolfgang Kuehnel
Sony NEX-3 enhanced color matrix with help from Wolfgang Kuehnel
Sony RX100 enhanced color matrix with help from Josef Wells
Merge branch 'master' of https://github.com/darktable-org/darktable
Add support for importing geo-tagging from Lightroom XMP.
Merge branch 'lightroom'

* lightroom:
  Add support for importing geo-tagging from Lightroom XMP.
  Add support for importing rating from Lightroom XMP.
  Code refactoring to expose dt_ratings_apply_to_image.
  Minor code reorganisation.
revamp per-module histogram method - mainly affecting modules tonecurve and levels

* histogram data can now be collected by all modules by setting module->request_histogram
* multi-instance modules will get histograms individually generated for the different instances
* histograms for all data channels L, a, b are generated and displayed in tonecurve module
* modules acting in RGB color space will get histograms with channels R, B, G and Grey
Merge branch 'histogram'
Add support for importing color-label from Lightroom XMP.

Note that on Lightroom a single color-label per image can be defined.
Fix #9234: Create dirs when they don't exist

There is no real reason why we should fail when the config dir (or
similar directories) that the user specifies don't exist.
wb_presets: Sony A700 update to firmware v4
wb_presets: Sony A230 update to firmware v4
small clarification in OS X package building instructions
lens.c: use loose search
Merge branch 'master' of https://github.com/darktable-org/darktable