Fixed magic number issues in JTrim Async.
Commented DoubleCheckedLocking checkstyle rule because it does not seem to be supported in Gradle.
Added the possibility to run checktyle checks.
Declared AsyncHelper final.
Fixed a javadoc issue in CachedDataRequest.
Fixed a naming convention issue in PeriodicStateReporterLink.
Added a new line to the end of the file: ImproverTasksLink.
Checkstyle: if/else does not need to use braces because it makes very simple if/else statements unreadable.
Marked FileChannelOpener.NO_ATTRIBUTES final.
Checkstyle ignores test code.
Adjusted the name of some arguments in MultiPhaseTask.
Fixed classpaths for checkstyle.
Fixed magic numbers in JTrim GUI.
Fixed checkstyle issues in AffineImageTransformer.
Fixed checkstyle issues in BasicImageTransformations.
Fixed a checkstyle issue in ButtonCancelSwitcher.
Fixed a checkstyle issue in ComponentDisabler.
Fixed checkstyle issues in Graphics2DComponent.
Fixed checkstyle issues in DrawingConnector.
Fixed a checkstyle issue in GenericAsyncRendererFactory.