[dev] move of wiki generators to lib/refrepo/

Rakefile

generators/wiki/wikigen

lib/refrepo.rb

lib/refrepo/gen/wiki.rb

lib/refrepo/gen/wiki/generators/cpu_parameters.rb

lib/refrepo/gen/wiki/generators/disk_reservation.rb

lib/refrepo/gen/wiki/generators/hardware.rb

lib/refrepo/gen/wiki/generators/oar_properties.rb

lib/refrepo/gen/wiki/generators/site_hardware.rb

lib/refrepo/gen/wiki/generators/site_network.rb

lib/refrepo/gen/wiki/mw_utils.rb

lib/refrepo/gen/wiki/wiki_generator.rb

lib/refrepo/hash/hash.rb

lib/refrepo/input_loader.rb