Create RDoc style Ruby documentation
Split off cmpi-bindings-ruby-doc package
Bump version to 0.9.8
BuildRequire ruby-devel also on RHEL6
Ruby CMakeLists.txt: override RUBY_* variables only if not set
shebang to ruby2.0
Support Ruby 2.1 rdoc
better docs
v0.9.9: support rdoc in Ruby 2.1