Merge pull request #36 from reidev275/master

Upgrade reference assemblies
Merge pull request #37 from reidev275/master

Upgrade to .net 4.5
Getting UserInputHandler specs passing again after the introduction of the Filter class. Filter now overrides Equals, GetHashcode, and ToString
Adding Gemfile
Correcting path to Ruby filesystem class required for Rake build
Adding nuget in tools, fixing nuget package so it doesn't give warnings because Giles is not a reference assembly
Removing Gemfile, have to use custom version of albacore build for now
Prepping release 0.1.5.0
Update readme.md
Updating project version to match release
Merge branch 'master' of https://github.com/codereflection/Giles