collect: fix date and add a 'time' filter.
Update swedish
Checking if unsigned variable < 0 is pointless
Remove unneeded ;
usermanual: a first step towards a more uniform typesetting (still a long way to go)
Merge branch 'master' of ssh://github.com/darktable-org/darktable
usermanual: a little bit more streamlining
Merge pull request #178 from LebedevRI/codefixes

Small code fixes
usermanual : update crop and rotate
usermanual : update gnd
Convert colorzones presets to v2.

This is to avoid warnings.
Use standard color-matrix as input for Lightroom import.

This matrix is from Adobe and so closer to what Lightroom does.
Move code to set longitude/latitude into a function.

This is a code refactoring to be used by the undo support.
Add generic undo support in darktable.
Clear undo list when switching views.
Add undo for image position (geo-tag) in map view.

This used the new undo generic support.
Add support for redo.
Prefix all routines with dt_undo_ to avoid polluting namespace.
Merge pull request #179 from AlicVB/usermanual

Usermanual
match leica basecurve less selectively