EasyNetQ.DI:
   Changed all project Framework targets from 4.5 to 4.0
   Updated Nuget References to 4.0 versions
   Updated NUnit package from 2.6.2 to 2.6.3
Merge pull request #186 from waydec/master

EasyNetQ.DI: Changed all project Framework targets from 4.5 to 4.0