Add new 51 thai translation (backport from master).
Fix 2 fuzzy translations in ja.po for darktable-1.2.1.
Merge pull request #238 from tawtao/th-trans-1.2.x

Add new 51 thai translation (backport from master).
cmake: build with libpng 1.5 (from OpenBSD ports)
(cherry picked from commit 97e7ab882ec278e18797b4992e9664faef8f8927)
(cherry picked from commit 2912f8a31820791c5fd07425f4533e685a312e82)
pthreads: disable the default PTHREAD_MUTEX_STRICT_NP behaviour for OpenBSD
(cherry picked from commit 46be9a13a0bb54aeb28f01fb0d718247aba773d1)
(cherry picked from commit be62db8931eadc49133803977dee0372b4f55009)
New danish translation by Thomas Pryds, ported from master.
update RELEASE_NOTES
100% Danish translation. Thanks Thomas Pryd!
updated translation pt_PT - string freeze darktable 1.2.1 release

two new lines added and translated - now 1566 lines.
a few spelling error fixed.
a few lines that were marked as translated but still in english were translated.
[l10n] Update German translation
unbreak input profile: also copy alpha channel in case mask is displayed. fixes #9426
(cherry picked from commit d9c1c914273752450860446f0a4b9174843fd8ac)
Adding more Thai translation
501 translated messages, 2 fuzzy translations, 1067 untranslated messages.
Merge pull request #240 from tawtao/th-trans-1.2.x

Adding more Thai translation
noise profile: panasonic gh-2 by thouks
(cherry picked from commit e03d69d4dfc8f01d2e14c69035701629481ac2e9)
noise profile: updated panasonic dmc-fz18 by sergey
(cherry picked from commit d9e43463827290d734db7b7f7adb29cb87611dfd)
noise profile: nikon d5200 by timur
(cherry picked from commit b1bd02f1a808dd9fa3f964f0860dc9518ac0da5b)
fix a minor memory leak in tags
(cherry picked from commit a5b9bafca2cec786a0fa9bce30328090d99e3582)
Hopefully fix a deadlock while shooting tethered

Credits for the fix go to Jo :)
(cherry picked from commit 88691524cf2bba2aa2a788d4ab3e2b23fe516fb2)
wb_presets: Copy Samsung NX5/NX10/NX11 from NX100
(cherry picked from commit 7c0afce9f8da197f41702e160fbde834ed672d3a)
(cherry picked from commit 9b3d091a80c27501e13a7d512fc27565a0986805)
cleanup: removed dead code.
(cherry picked from commit aeb5e455dbc434084ea0bb4a32cf077d64bd4ac6)