Only pull off two pixels if the taskbar is actually set to auto-hide

This fixes #567
Fixed NET45 project
EnableDWMDropShadow throws an exception when AllowsTransparency is True. Closes #588
core csproj files should be dumping outputs to distinct folders
updated ze samples too
killed off the sln hack
imported source code and enough to get code compiling
removed old package
Merge pull request #573 from MahApps/taskbar-auto-hide-fix

Only pull off two pixels from the window if the taskbar is actually set to auto-hide
Changed an if statement.
Merge pull request #592 from Amrykid/drop-shadows-exception

Closes #588
removed packages.config as it's no longer necessary
enable package restore for all the demos
trashed the packages folder
Merge pull request #581 from MahApps/580-windows-shell-interop

Replacing Microsoft.Windows.Shell with our own internal implementation
Merge pull request #597 from MahApps/parallel-builds-are-awesome

Parallel builds are awesome