Update license information for sounds and fonts

Fonts/FONTS_SOURCES

@@ -1,5 +0,0 @@
-dpcomic:
-http://www.1001fonts.com/dpcomic-font.html
-
-november:
-http://www.1001freefonts.com/november.font

Fonts/LICENSE

@@ -0,0 +1,9 @@
+dpcomic:
+http://www.1001fonts.com/dpcomic-font.html
+Released as free for both personal and commercial use.
+Full license terms inside license.txt, in dpcomic.zip
+
+november:
+http://www.1001freefonts.com/november.font
+Released as free for both personal and commercial use.
+Full license terms inside ReadMe.txt, in november.zip

Sounds/LICENSE

@@ -0,0 +1,47 @@
+BELL.wav:
+Modified and originally obtained from:
+http://freesound.org/people/InspectorJ/sounds/339812/
+Author: InspectorJ
+License: CC-BY 3.0
+
+Radio chatter sound files with the following naming convention:
+
+R C P M 1 A 1
+| | | | | | V
+| | | | | V Message number
+| | | | V A = Approach, D = Departure, F = Final, T = Taxi
+| | | V Voice number
+| | V M = Man, W = Woma
+| V P = Pilot, T = Tower
+| Chatter
+V
+Radio
+
+Modified and originally obtained from:
+http://freesound.org/people/digifishmusic/sounds/55022/
+Author: digifishmusic
+License: CC-BY 3.0
+
+TRAYCL.wav:
+Modified and originally obtained from:
+http://freesound.org/people/Hard3eat/sounds/351780/
+Author: Hard3eat
+License: CC0
+
+SPINDISK.wav:
+Modified and originally obtained from:
+http://freesound.org/people/cmorris035/sounds/207276/
+Author: cmorris035
+License: CC0
+
+TAKEOFF1.wav:
+Modified and originally obtained from:
+http://freesound.org/people/hannagreen/sounds/346570/
+Author: hannagreen
+License: CC-BY 3.0
+
+BEEP.wav:
+Modified and originally obtained from:
+http://freesound.org/people/jobro/sounds/33778/
+Author: jobro
+License: CC-BY 3.0

Sounds/SOUND_SOURCES.txt

@@ -1,28 +0,0 @@
-Bell sound obtained from:
-http://freesound.org/people/InspectorJ/sounds/339812/
-
-Radio chatter obtained from:
-http://freesound.org/people/digifishmusic/sounds/55022/
-
-Tray close sound obtained from:
-http://freesound.org/people/Hard3eat/sounds/351780/
-
-CD sound obtained from:
-http://freesound.org/people/cmorris035/sounds/207276/
-
-Takeoff1.wav:
-http://freesound.org/people/hannagreen/sounds/346570/
-
-Beep.wav:
-http://freesound.org/people/jobro/sounds/33778/
-
-R C P M 1 A 1
-| | | | | | V
-| | | | | V Message number
-| | | | V A = Approach, D = Departure, F = Final, T = Taxi
-| | | V Voice number
-| | V M = Man, W = Woma
-| V P = Pilot, T = Tower
-| Chatter
-V
-Radio