Merge pull request #35 from JuliaIO/sd/multi_lib

added tga

Author: SimonDanisch

src/registry.jl

@@ -33,6 +33,13 @@ add_format(format"RGB", UInt8[0x01,0xda,0x01,0x01,0x00,0x03],           ".rgb",
 add_format(format"WMF", UInt8[0xd7,0xcd,0xc6,0x9a],                     ".wmf", [:ImageMagick])
 add_format(format"WPG", UInt8[0xff,0x57,0x50,0x43],                     ".wpg", [:ImageMagick])
 
+add_format(
+    format"TGA", 
+    (),
+    ".tga", 
+    [:OSXNativeIO, LOAD, OSX], 
+    [:ImageMagick]
+)
 add_format(
     format"GIF", 
     UInt8[0x47,0x49,0x46,0x38],