* ruby/damage/c/common.rb: Fix misleading error message

Signed-off-by: Samuel Jones <sjones@kalray.eu>
* ruby/damage/c/common.rb: Set EIO explicitly because of the way the error macro is defined in kalrayLicense, it has to have the errno and string supplied

Signed-off-by: Samuel Jones <sjones@kalray.eu>
Fix doxygen group in header to always use libname

Signed-off-by: Nicolas Morey-Chaisemartin <nmorey@kalray.eu>
* ruby/damage/c/common.rb: Add env variable to disable DTD checking for the stupid libxml2 issues on FC17/18

Signed-off-by: Nicolas Morey-Chaisemartin <nmorey@kalray.eu>