Fix #2, #3, #48, #80, General Upgrade

Major rewrite -
Fix #2: Added 64-bit support
Added big endian payload options (use when LE selected to write BE fields)
Fix #3: Added checksum calculation/overide
Added the rest of the override possible fields (for error checking)
Fix #48: Added standard type options (more clear/consistant sizing)
Fix #80: Added cFS Version 2 header support
Added protocol options
Added raw message generation support
Added test script
Added debug and thirtytwo build options

Author: skliper

Subsystems/cmdUtil/Makefile

@@ -1,3 +1,9 @@
-all::
+all:
 	gcc -o cmdUtil SendUdp.c cmdUtil.c
 
+debug:
+	gcc -o cmdUtil -DDEBUG -g SendUdp.c cmdUtil.c
+
+thirtytwo:
+	gcc -o cmdUtil -DDEBUG -g -m32 SendUdp.c cmdUtil.c
+