Doc updates re router vs app integration, and transparency.

Document data transparency.
Emphasise app integration over router abstraction.
Remove some trailing whitespace.
Bump version. Tweak NOTES. Add some comments.
v0.001007

  - Add Catalyst integration example (Arthur Axel fREW Schmidt)
  - Switch from Module::Pluggable to Test::Compile for t/00-compile.t
  - Doc updates re router vs app integration, and transparency.