build: Use safe javac macro for test compilation
build: Insight tests use myjavac to avoid command length restrictions
build: Use external file with javadoc
removing roi preview from bird eye view
moving thumbnail_control.js to the panojs library
fixing ROI to follow mouse cursor when pressed down
fixing toggleMinimize event as gets handled by too many handlers

reverting changes from https://github.com/openmicroscopy/openmicroscopy/pull/1708/files#diff-6cedf73ec464ba34acacbd07b15060eeL124