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
Do not use hard coded values, code clean-up.

Declare MAX_SPOTS and use it where it applies.
Move static declarations into C part.
Add support for tonecurve Lr import.
Move colorzones definitions to header file.

This is needed for the lightroom import. At the same time we are
adding two 2 zones from 6 to 8. This gives a better precision and
is at the same time more compatible with what lightroom does and so
will ease the implementation of the import.