8154058: [TIFF] ignoreMetadata parameter of TIFFImageReader's setInput() method affects TIFFImageReadParam in non-obvious way
Summary: Add readUnknownTags to TIFFImageReadParam and add ReadParamTest
Reviewed-by: prr

8164931: Verify if writer.abort() works properly for all writers in IIOWriteProgressListener.
Reviewed-by: prr, bpb, serb, psadhukhan

8152966: ClassCastException when adding IFD to the TIFFDirectory before the image write
Summary: Move the private method getDirectoryAsIFD(TIFFDirectory) from the API class TIFFDirectory to a public method in the internal class TIFFIFD and replace all casts of TIFFDirectory to TIFFIFD with its invocation
Reviewed-by: prr

8150154: AIOOB Exception during sequential write of TIFF images
Summary: Need to reset isRescaling variable when resetting the ImageWriter.
Reviewed-by: prr

8148454: [PIT] Failure of ReplaceMetadataTest on TIFF with IllegalStateException
Summary: Move super.setOutput() to end of setOutput() to avoid setting super.output to null
Reviewed-by: prr

8149593: Change <code>foo</code> to {@code foo} in TIFF plugin classes
Summary: Change <code>foo</code> to {@code foo} in TIFF plugin classes and 2015 to 2016 where needed.
Reviewed-by: prr, darcy

8144991: AIOOB Exception in AutoImageWriterTest with TIFF writer
Summary: In TIFFImageWriter call reset() in setOuput() when output != null.
Reviewed-by: prr

8144245: [PIT] javax/imageio/plugins/shared/WriteAfterAbort.java
Summary: Reset stream position after abort; change IAEs to NPEs.
Reviewed-by: prr, serb

8143342: Integrate Java Image I/O support for TIFF per JEP 262
Summary: Port TIFF reader and writer plugins from JAI Image I/O Tools to JDK 9
Reviewed-by: prr, serb