fixed unit testing reference and made nuget-added references relative to solution, so this can be used as a submodule.
support for seleniumPoolOptions and logOptions, made seleniumPool static, like it should be, and made it dispose of the pool at test end.
Merge branch 'master' of github.com:StoneFin/SeleniumUtil

Conflicts:
	SeleniumUtils/Test/SeleniumTestBase.cs