Added window title and icons
Added CHANGELOG to About tab - closing #217
Merge pull request #264 from skaldarnar/displayed-info

Added CHANGELOG to About tab - closing #217
Merge pull request #252 from msteiger/2.0

Added window title and icons
Update icons to gooey star and support jar files
Merge pull request #267 from msteiger/jar_icons

Update icons to gooey star and support jar files
Refactored launcher initialization into its own task.
- introduced new `LauncherConfiguration` which collects the information needed for creating the main launcher frame.
- the `LauncherConfiguration` is assembled by a new task `LauncherInitTask`
- the progress of the init task is observed by a (dummy) splash screen.
Removed old Swing classes.
Updated the splash screen.
- splash screen with progress bar and message field
- new splash image, css style for splash screen
- updated BundleUtils to javafx.Image
Merge pull request #268 from skaldarnar/javafx

More JavaFX work
Added Logback-JavaFX table view appender
Link JavaFX log appender to GUI
Logview fixes.
Merge pull request #1 from skaldarnar/msteiger-logview

Logview fixes.
Merge pull request #269 from msteiger/logview

Logview