Adding compiler change detection.

- Tried to add auto cmake reset...so far unsuccessful
- Ported MBC-55X (was used to test compilers)
- Disabled in-source builds, to prevent CMake from shooting itself in the foot.

Lib/CMake/writer

@@ -0,0 +1,10 @@
+#!/bin/bash
+#| Jacob Alexander 2014
+#| Arg List
+#| 1 - File to write to         (e.g. final_chip)
+#| 2 - Contents writing to file (e.g. at90usb1286)
+
+printf "$2" > "$1"
+
+exit $?
+