added new logic to fix package resolving (using nuget.core)
fixes #10 and #15
Merge branch 'dev' of https://github.com/scriptcs/scriptcs into dev

Conflicts:
	src/ScriptCs.Core/ScriptExecutor.cs
	test/ScriptCs.Core.Tests/ScriptExecutorTests.cs
	test/ScriptCs.Core.Tests/packages.config
updated based on PR comments
fix namespace
merge conflicts
Merge branch 'dev' of https://github.com/scriptcs/scriptcs into dev

Conflicts:
	src/ScriptCs.Core/ScriptExecutor.cs
	src/ScriptCs/Program.cs
	test/ScriptCs.Core.Tests/ScriptExecutorTests.cs
Merge pull request #64 from filipw/dev

fix package resolving (using Nuget.Core)