explicit need for active_support
Big reorganization

Separate functionality to separate files
use ruby-graphviz lib for graph drawing
use meta params in draw
use 1.8 syntax, fix other 1.8 quirks

move gem dep into single method that uses it
update deps and tests for travis
Merge pull request #71 from dwbutler/master

Add Ruby 2.0.0 to Travis CI build
Bump version to 1.0.0 yeah!
Merge pull request #67 from plukevdh/1a27f75

Reorganization of code - split library into multiple files
Merge pull request #68 from plukevdh/master

Use Ruby-GraphViz to generate graphs
make graphviz/active_support optional in case you dont want nice graphs
needed gem in rails 2.3 gemfile
Merge pull request #72 from plukevdh/master

Conditionalize ActiveSupport and Graphviz supprt
Update readme, download note
Remove require of workflow/draw to prevent warnings on production systems, update documentation.
Added module that automatically generate ActiveRecord scopes based on workflow states
Added block about scopes for AR into README
Make tests compatible with Rails 2.3
Fix create_workflow_diagram documentation
Ping the travis CI
Separate build for Rails 4