updated trail to be as in spec
add status code translation

Can be used to visualize the meaning of the status code
add rspecs for translate_status_code
formatting
+ ArgumentParser added
bumped Gem version

fixed dependencies
Explicit require 
  * ostruct
  * optparse

Bumping Gem Version
! fix broken specs
Merge pull request #2 from thomis/trail

Looks ok to me.
remove tabs and use 2 spaces for one tab
Merge branch 'master' into refactoring

Conflicts:
	eventhub-processor.gemspec
	lib/eventhub-processor.rb
	lib/eventhub/configuration.rb
	lib/eventhub/processor.rb