updated pt_PT translation
masks : fix shape removing

removing shape with right-click doesn't hide the other #9366
shape are not permanently deleted with right-click :
user need to use context-menu in the manager.
mask manager : update icons correctly
lighttable: fix scroll bars.
hdr loading: don't try rawspeed for pfm,hdr,exr

silences a lot of console output.
Merge pull request #214 from darktable-org/lua_review

First real lua merge
mask manager : fix grouping bugs

another fix about shape removing in sub-groups
fix the add exist feature
fix shape parameters when grouping
rawspeed: forgot blackpoint for DMC-GH2 4:3
masks : duplicate masks with history #9381
pfm: don't clamp away large values.
fix compilation without lua
Merge remote-tracking branch 'upstream/master'
Update Polish translation to 1.3+150
Changed command line help text from "config" to "cache" for --cachedir parameter.

Signed-off-by: Christian Tellefsen <chris-git@tellefsen.net>
Adding missing translateable files to POTFILES.in (masks)
rawspeed: update to svn r537 (thanks klaus)
rawspeed: use unix line-ends
rawspeed: re-add PENTAX K-5 II s
rawspeed: minor fix for LX7 in 3:2 mode
Gentoo packaging: add lua-5.2 as an optional dependency