boinc: new package

boinc: new package

Open-source software for volunteer computing and grid computing.

Use the idle time on your computer to cure diseases, study global
warming, discover pulsars, and do many other types of scientific
research.

https://boinc.berkeley.edu

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Bernd:
- bumped to version 7.8.3
- removed patches which where applied upstream
- added myself to DEVELOPERS as well]
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>