Add icon to exe file in windows export

add version_info and icon sections in "export to windows platform".
add version_info and icon to godot exe file (editor & template exe).
fix an problem in image class.
change all default icons to android export icon (a little more rounded).
create an python script for convert file to cpp byte array for use in
'splash.h'.

tools/scripts/file-hex-array.py

@@ -0,0 +1,52 @@
+import binascii
+import os.path
+import sys
+
+def tof(filepath):
+	with open(filepath, 'r') as f:
+	    content = f.read()
+	content = content.replace("0x","")
+	content = content.split(',')
+	for i in range(len(content)):
+		if len(content[i]) == 1: content[i] = "0" + content[i]
+	content = "".join(content)
+	with open(filepath+".file", 'wb') as f:
+	    content = f.write(content.decode("hex"))
+	print(os.path.basename(filepath)+".file created.")
+	exit(0)
+
+def toa(filepath):
+	with open(filepath, 'rb') as f:
+	    content = f.read()
+	content = binascii.hexlify(content)
+	content = [content[i:i+2] for i in range(0, len(content), 2)]
+	content = ",0x".join(content)
+	content = "0x" + content
+	content = content.replace("0x00","0x0")
+	with open(filepath+".array", 'w') as f:
+	    content = f.write(content)
+	print(os.path.basename(filepath)+".array created.")
+	exit(0)
+
+def usage():
+	print("========================================================\n\
+#\n\
+# Usage: python file-hex-array.py [action] [option]\n\
+#\n\
+# Arguments:\n\
+#          action ==>   toa   # convert file to array [option is file path]\n\
+#                       tof   # convert array to file [option is array file path]\n\
+#\n\
+# Example : python file-hex-array.py toa 1.png\n\
+#\n\
+========================================================")
+	exit(1)
+
+if len(sys.argv) != 3:
+	usage()
+if sys.argv[1] == "toa" and os.path.isfile(sys.argv[2]):
+	toa(sys.argv[2])
+elif sys.argv[1] == "tof" and os.path.isfile(sys.argv[2]):
+	tof(sys.argv[2])
+else:
+	usage()