highlights: fix an edge case where input values were right on the edge of the whitepoint.
(cherry picked from commit f2b4b10c0c2bfbd940e310721c639c2c3e549e86)
lens correction: sanitize exif lens data
(cherry picked from commit 3b14b880b3a61acdfe8ecb8bf7a0ddbe17c7ce57)
noise profile: new D7100 by swimmer
(cherry picked from commit ea491de9e25421746cd6944c05e657aed57376f9)
wb_presets: Nikon D7100 (thanks to darix)
(cherry picked from commit 757b1dc6e7d763b56c754a7fee0b660b8413056f)
(cherry picked from commit e41ca039a75de0fa9523c265e71629f512aa58b1)
Remove thumbnails on export
(cherry picked from commit 488c673f8bfc0a5c5b39f5688203fc809bc99621)
styles: write UTF-8 encoded dtstyle files
(cherry picked from commit e1cae3bcee923a88b95a3276af26cd3214b7b9cd)
openexr: also compile with 2.0
(cherry picked from commit 460982edcd762a775cdac35f42a13b687397615d)
noise profile: updated sony slt-a57 by baptiste pierrat.
(cherry picked from commit 5595899e5e0c4e3983624f01bece80c200b391e3)
noise profile: olympus e-p2 and e-3 by damjan vrencur.
(cherry picked from commit bf249dd5b4e11e4e62b8d76fb5dc5f3377eaa874)
noise profile: updated olympus e-520 by daniel schury.
(cherry picked from commit dbba600c08113fdaf8db8447904f3effebf56625)
noise profile: updated pentax k-30 by wolfang renz.
(cherry picked from commit ed65df5caaff1c5c6653487acee74b112f0b37f2)
updated release notes.