Update JPEGTurboServiceImpl.java

Correct calculation of last row/col size.
Switch from net.imagej:ij to gov.nih.imagej:imagej

This prevents an indirect dependency on maven.imagej.net.
Merge pull request #836 from kkjaergaard/patch-1

Update JPEGTurboServiceImpl.java
Merge pull request #883 from melissalinkert/rebased/develop/maven-ij

Switch from net.imagej:ij to gov.nih.imagej:imagej (rebased onto develop)