Updated documentation for merb-gen init.rb for clarity in regard to the session configuration options
Updated documentation for merb-gen init.rb for clarity in regard to the session configuration options

Signed-off-by: Michael S. Klishin <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@novemberain.com>

merb/merb-gen,merb/merb-gen