[l10n] update Greek translation
wb_presets: D610 White balance presets
wb_presets: Olympus E-PL5/E-PM2 stolen from ufraw
Re-enable collapse(2) in amaze

See bug #9456. If it fails again, we can either revert this commit or
try to find out why/for what compiler it fails to build and work around
that.
Colorout (xform codepath): speedup
Use TYPE_LabA_FLT and TYPE_RGBA_FLT, thus removing need for intermediate buffer, and adding support for usage of SSE2 intrinsics
Merge pull request #495 from LebedevRI/iop-colorout-xform-speedup

Colorout (xform codepath): speedup
colorout: add missing _mm_sfence call
Colorin (xform codepath): speedup
Merge pull request #509 from LebedevRI/iop-colorin-xform-speedup

Colorin (xform codepath): speedup
init_presets: make calling of reload_defaults() conditional; this fixes #9905
Merge pull request #521 from jinxos/gr_translate

[l10n] update Greek translation
Use collapse(2) when not building with gcc 4.8.1

See bug #9456.
masks: fix braindead bug that has caused an excessive number of nodes for brush strokes
masks: on deletion of brush nodes: remove complete shape if only one node is left
Silence calculator error messages

People didn't appreciate these:
error: T
error: R
error: U
error: E
exiv: parse FocusDistanceUpper and FocusDistanceLower (specific for Canon) (needs exiv2-0.25)
masks: some further improvements for brush node elimination
Multiple instances: move module name creation into function and use it