[COOK-3894] application v4.0 has been release

- only real change is that application v3.0 no longer supports chef
  10.x, so this cookbook no longer supports chef 10.x transitively
[COOK-3895] stop using omnibus ruby for software

- this is the wrong default, software should not depend on omnibus ruby
Merge pull request #40 from opscode-cookbooks/lcg/bump-application-dep

COOK-3894 + COOK-3895