FindJPEG: Add imported targets support
Add test for FindJPEG module. Tidy up FindJPEG documentation comment. Tidy up CMake script style (lowercase, remove superfluous blanks).
Topic-rename: FindJPEG-imported-targets
Edited by Brad King
Add test for FindJPEG module. Tidy up FindJPEG documentation comment. Tidy up CMake script style (lowercase, remove superfluous blanks).
Topic-rename: FindJPEG-imported-targets