Merge https://github.com/siefca/rb-gsl

Conflicts:
	VERSION
	ext/linalg.c
	ext/linalg_complex.c
	ext/vector_complex.c
	ext/vector_source.c
	include/rb_gsl_config.h
	rb-gsl.gemspec
Merge branch 'master' of https://github.com/zalt50/rb-gsl

Conflicts:
	VERSION
	rb-gsl.gemspec