added rubycas-server to gemfile, ran update to run with ruby 193

change of public dir

base unicorn setup

change for listen path for socket file

trying a correction on the path for public folder

changing again

reduced sinatra version

unicorn added to gemfile

reset whitespace
Merge pull request #2 from agmcleod/feature/ruby-1.9

Updated both gems and setup for ruby 1.9+unicorn.