handle SQ tags improperly encoded as UN (@aerik; fix #62)
use DICOM library to scale image for display
fix pixel pointers for 24/32-bit bilinear interpolation (@dcharkowsky, @aerik; fix #51)
add method to quickly test if file has a valid preamble and header (close #69)
better robustness for detecting location of codec libraries (@maikel87, close #61)
add option to check for valid header in DICOM file scanner
Merge pull request #70 from modiCAS/NuGetPatch

Reworked NuGet package to suppress MSB3270 architecture mismatch warnings...
fix writing of DICOMDIR files with Explicit VR encoding (@EdwardMarcus, @hdesouky; fix #47)
Merge remote-tracking branch 'origin/master'
Merge pull request #71 from modiCAS/SharedAssemblyInfo

Moved common assembly attributes to a shared location
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	DICOM/IO/Reader/DicomReader.cs