[RAPPS-DB] Adding missing icons for Audio, Video, Graphics and 15 Gaming apps. (#240)

* Added AudioGrabber + Famiracker

* Added 6 audio icons

Added Fox AP, jetAudio, Xiph codecs, Pulseaudio and Spotify icons

This merge contains this commit list: 

* Added transparent background to audio icons

* Added MPC and Mkvtoolnix icons

* Added 4 new graphics icons

Added GrafX2, Irfanview, LibreCAD and Photivo

* Finished graphic apps' icons

Added Photofiltre, Scribus and TuxPaint

* Added Crimson Fields icon

* Added 4 games' icons

Added AssaultCube, Balloon Fight, Bos Wars and Cave Story

* Added 3 new games icons

Added Bound Around demo, Christmas Bound and Chicken Invaders

* Added +5 gaming icons

Added BSU, Stalin, Tux Racer, Gens and Globulation2

* Added Hover! and GOG Galaxy icons + fix for Balloonfight

* Removed unnecesary icon entry in GrafX2

* Removed the rest of unnecessary Icon statements

* Fixed formatting

* Fix typo: Rename ballonfight.ico to balloonfight.ico

Pending to complete the icon set, this is a big step up.

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Co-authored-by: Julen Urizar Compains <julenuri@hotmail.com>

irfanviewplugins.txt

@@ -8,6 +8,7 @@ URLSite = http://www.irfanview.com/
 URLDownload = https://web.archive.org/web/20180526163030if_/http://www.tucows.com/download/windows/files/iview451_plugins_setup.exe
 SHA1 = 1e2d2a83eeb9d4f5d48776789e159a3ba332f5fd
 SizeBytes = 16595080
+Icon = irfanview.ico
 
 [Section.0a]
 License = Gratuito (para uso personal)