updated wkhtmltopdf dlls to 0.12.1
reverted color/grayscale workaround which was fixed in wkhtmltopdf 0.12.1
specify LoaderOptimizations on appdomain init

prevents possible System.IO.FileLoadException: Das Laden dieser Assembly
würde andere Berechtigungen aus anderen Instanzen erzeugen. (Ausnahme
von HRESULT: 0x80131401)
Enhanced the winforms UI;
Addressed issue #37;
Removed any default settings besides margin;
Added some extra error accounting
Added default page URI to WinForm test app;
Added assembly location hook to Factory
Did some minor test refactoring
Merge remote-tracking branch 'olivertitze/master' into develop
Fixed app domain loading in unit tests to let the unit tests pass again using Visual Studio xunit runner
Removed margin default values of 0 and set default unit to mm to match the wkhtmltopdf library.
Started implementing cookies and custom headers support on LoadSettings; added controller action to test web app to display all passed headers/cookies
Improved attribute/setting application code
Moved some utility classes into the utility folder for organization
Added packages to .gitignore
Ugh
Little bit of cleanup, fixing bindings, adding ugly internal hacks to be able to unit test bindings.
Removed default return value for StringColorMode
Update README.md
Bump assembly version
Merge branch 'develop' of https://github.com/tuespetre/TuesPechkin into develop
Commented out as-of-yet unworking features and began improving documentation