SUPPORT FOR ALMOST ALL AUDIO FORMATS and more

SUPPORT FOR ALMOST ALL AUDIO FORMATS well more work need to be done because currently it fastly converts it to .mp3 using JAVE but that is a temporarily solution :)

Let's go :

<br>* Support almost all audio formats through converting into .mp3 
<br>* Dropbox Authentication Window reworked using JxBrowser        
<br>* JRE changed to Java 9	                                       
<br>* Improved style on rename window                  
<br>* New background image                             
<br>* New splash screen                                
<br>* Reworked players layout                          
<br>* Common bug fixes and crash issues