The type or namespace name 'Docnet' could not be found in net45

[mayurjansari]

Describe the bug Nuget package show support for net45 but when we install package it can't find refrence for net45 and showing error "The type or namespace name 'Docnet' could not be found (are you missing a using directive or an assembly reference?)"

To Reproduce Steps to reproduce the behavior:

1. create project with net45 target
2. Go to manage nuget package and install docnet
3. add some code to get page image
4. See error