Add pixel art palettes

From Richard 'DawnBringer' Fhager and Arne Niklas Jansson.

data/palettes/arne16.gpl

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+GIMP Palette
+#
+# by Arne Niklas Jansson
+# http://androidarts.com/
+#
+  0   0   0	Untitled
+157 157 157	Untitled
+255 255 255	Untitled
+190  38  51	Untitled
+224 111 139	Untitled
+ 73  60  43	Untitled
+164 100  34	Untitled
+235 137  49	Untitled
+247 226 107	Untitled
+ 47  72  78	Untitled
+ 68 137  26	Untitled
+163 206  39	Untitled
+ 27  38  50	Untitled
+  0  87 132	Untitled
+ 49 162 242	Untitled
+178 220 239	Untitled

data/palettes/arne32.gpl

@@ -0,0 +1,36 @@
+GIMP Palette
+#
+# by Arne Niklas Jansson
+# http://androidarts.com/
+#
+190  38  51	Untitled
+115  41  48	Untitled
+203  92 207	Untitled
+224 111 139	Untitled
+150  75 168	Untitled
+158 115 235	Untitled
+ 52  42 151	Untitled
+ 36  90 239	Untitled
+ 27  38  50	Untitled
+ 49 162 242	Untitled
+  0  87 132	Untitled
+105 113 117	Untitled
+178 220 239	Untitled
+ 47  72  78	Untitled
+ 20 128 126	Untitled
+ 39 193 167	Untitled
+ 33  92  46	Untitled
+ 68 137  26	Untitled
+163 206  39	Untitled
+ 71  81  32	Untitled
+188 179  48	Untitled
+247 226 107	Untitled
+238 182  47	Untitled
+ 73  60  43	Untitled
+164 100  34	Untitled
+235 137  49	Untitled
+247 176 128	Untitled
+218  66   0	Untitled
+255 255 255	Untitled
+204 204 204	Untitled
+157 157 157	Untitled

data/palettes/db16.gpl

@@ -0,0 +1,21 @@
+GIMP Palette
+#
+# by Richard "DawnBringer" Fhager
+# http://www.pixeljoint.com/p/23821.htm
+#
+ 20  12  28	Untitled
+ 68  36  52	Untitled
+ 48  52 109	Untitled
+ 78  74  78	Untitled
+133  76  48	Untitled
+ 52 101  36	Untitled
+208  70  72	Untitled
+117 113  97	Untitled
+ 89 125 206	Untitled
+210 125  44	Untitled
+133 149 161	Untitled
+109 170  44	Untitled
+210 170 153	Untitled
+109 194 202	Untitled
+218 212  94	Untitled
+222 238 214	Untitled

data/palettes/db32.gpl

@@ -0,0 +1,37 @@
+GIMP Palette
+#
+# by Richard "DawnBringer" Fhager
+# http://www.pixeljoint.com/p/23821.htm
+#
+  0   0   0	Untitled
+ 34  32  52	Untitled
+ 69  40  60	Untitled
+102  57  49	Untitled
+143  86  59	Untitled
+223 113  38	Untitled
+217 160 102	Untitled
+238 195 154	Untitled
+251 242  54	Untitled
+153 229  80	Untitled
+106 190  48	Untitled
+ 55 148 110	Untitled
+ 75 105  47	Untitled
+ 82  75  36	Untitled
+ 50  60  57	Untitled
+ 63  63 116	Untitled
+ 48  96 130	Untitled
+ 91 110 225	Untitled
+ 99 155 255	Untitled
+ 95 205 228	Untitled
+203 219 252	Untitled
+255 255 255	Untitled
+155 173 183	Untitled
+132 126 135	Untitled
+105 106 106	Untitled
+ 89  86  82	Untitled
+118  66 138	Untitled
+172  50  50	Untitled
+217  87  99	Untitled
+215 123 186	Untitled
+143 151  74	Untitled
+138 111  48	Untitled