Move ufraw from sourceforge to github

On the same time recover updates done in development branch and never released

• Add WB for multiple new cameras : FUJIFILM X-T2, PENTAX K-1, Panasonic DMC-FZ300/DMC-FZ330, Canon PowerShot G7 X Mark II, Canon EOS M10, Canon EOS 700D, Canon EOS 80D, NIKON D200, FUJIFILM X-T10, PENTAX K-S2, NIKON D5500, NIKON D810, FUJIFILM X100T, Canon PowerShot G5 X, Panasonic DMC-LF1, SONY RX10M2, Canon EOS M2, Canon PowerShot S120, FUJIFILM X-M1, OLYMPUS E-M10 Mark II, etc
• multiple bug fixes : memory leak, etc

Remove existing patches since they coming from upstream and are now provided
by default in the distfile.

Incorporate the patched made by the debian project, including a fix for the
CVE-2015-8366.

MFH: 2018Q2
Security: CVE-2015-8366