fix a memleak.
fix a couple of strings.
collection: add serialization as full member.
move: switch to new film roll after move

this way you can easily navigate there and back using recent collections.
use case: import the folder /media/MASS_STORAGE and then move to your harddisk.
you don't want to select the lengthy file name twice (once move, then again collect)
g_type_init got deprecated, fix compile.

Why can't the GTK folks just leave us alone?
Fix copy/paste error in Lr grain import.
Minor style fixes.
Remove executable bit to translation file.
Add support for spots Lr import.
Fix memory leak in tags Lr import.
Merge branch 'po/lr-import'

* po/lr-import:
  Fix memory leak in tags Lr import.
  Add support for spots Lr import.
  Minor style fixes.
blending: fix missing clamping in some blend modes that involve RGB<->HSL and Lab<->LCh
Implemented star ratings on all images, as well as color labels rendered as background color of the image tile instead of a round dot.
Implemented toggle buttons which accept keyboard shortcuts. Default shortcuts are not defined, icons on buttons still need some tweaking.