Extension for JAR and ZIP

Added file "NOTICE" (Apache License)
Added file "settings.gradle" with the project name
Added MANIFEST for JAR (Name, Version, ...)
Added README, LICENCSE and NOTICE to ZIP
Merge pull request #7 from mkalb/application

Extension for JAR and ZIP
Added "VERSION" file

Added a template "VERSION" file to "src/template".
Added this template to the ZIP file.
Merge pull request #8 from mkalb/develop

Added "VERSION" file
Move PNG files into org/terasologylauncher/images
Removed "version" file

Replace with TerasologyLauncherVersion
Merge pull request #9 from mkalb/resources

Delete "version" and move PNG into subfolder
Update gitignore
Add initial logging support (with logback)
Merge pull request #10 from mkalb/logback

Initial Logback support
Optimize imports
Resolve some warnings from IDEA
Merge pull request #11 from mkalb/warnAndStyle

Optimize imports and resolve warnings from IDEA
Added Logger and logging
Replaced all System.out.println()
Merge pull request #12 from mkalb/logging

Added Logger and logging
Replaced all "ex.printStackTrace()" with "logger.error"
Merge pull request #13 from mkalb/logging

Replaced all "ex.printStackTrace()" with "logger.error"
Reformat code and extended checkstyle
Merge pull request #14 from mkalb/checkstyle

Reformat code and extended checkstyle
Removed class Main