version 2.0.0

major updates:

• Added the possibility to display personalized frozen image
• Added the possibility to check for updates
• Improved instructions in readme file
• Reorganized code functions into meaningful groups to improve readability
• Correction of multiple bug

minor updates

• Added configuration for custom info (hibernation-warmup)
• Added possibility to specify windows server.jar folder
• Added check for java/screen/server.jar installation
• Added title to the application
• Added online/max players in info message
• Improved comments in code
• Improved interruptListener() function