Make NuGet.proj and build.bat work in project path containing spaces.
* Quote DropDirectory and remove trailing slash as advised here http://nuget.codeplex.com/workitem/901
* Quote NuGetExe.
* Quote NuGet.proj path in build.bat.
Add ignore for R# dotsettings file.
Merge pull request #4 from bentayloruk/master

Make NuGet.proj and build.bat work in project path containing spaces.

Thanks @bentayloruk for the fix!