Configure inter-project references

Some projects rely on classes from other projects in a known hierarchy
(such as Web.Common being used in Web.Api)
Introduces Ninject config classes

Currently empty classes, but with the space to bind interfaces to
implementations
Fix lib issues

We were missing a reference to the right System.Web.Http, and needed
to manually delete all bin/ and obj/ files to get it working.

Ninject should now be fully configured.
Add lib/

Removes from gitignore, and adds the entire contents of lib/
Include lib nupkg files

Includes the local libraries from lib/
Remove lib/ again
Reinstall all packages

Removes .nuget, and reruns reinstaller.
Fix Newtonsoft reference
Merge pull request #5 from tpkelly/dependency-injection

Dependency injection