add daemons gem as gem dependency

kibana-daemon requires it
Merge pull request #284 from bryanwb/patch-1

add daemons gem as gem dependency
make kibana friendlier to config mgt systems

this patch makes is easy to manage by setting application parameters
in a single init script by exporting them as environment variables,
sample/kibana.erb is an example of such a script

KibanaConfig and kibana-daemon in turn read in those environment
variables

kibana-daemon.rb has been updated so it can read in env vars for
handling logging and location of the pidfile
Fix stat analysis for fields with multiple dots
Bump Rack version in Gemfile.lock
ignore JRuby-generated WAR file
Drop 'thin' dependency for JVM. Allows JRuby to warble.
use Jetty for embedded webserver
Merge pull request #288 from meineerde/fix/bump-rack

Bump Rack version in Gemfile.lock
Merge pull request #287 from nitper/stat_fix

Fix stat analysis for fields with multiple dots
Merge pull request #291 from duylong/048b6af9dc471cb2cf8a057b114cc85c6b7a938b

Fixed problem "sinatra doesn't know this ditty"
Merge pull request #289 from rasputnik/kibana-ruby

Let WARbler run under JRuby, and switch embedded webserver to jetty.
Merge pull request #293 from duylong/bb530cd0317f5fc9fd5f4246019c813c70725235

Change clickable URLs pattern
Merge pull request #286 from bryanwb/cm_friendly_init

make kibana friendlier to config mgt systems
Merge remote-tracking branch 'rashidkpc/kibana-ruby' into kibana-ruby
Add option in order to defined the default path for Kibana requests