Switch to mspgcc 4.7.0
Updated mspsim.jar to the latest build
Added mspgcc 4.7.0 flags
Filter out symbols defined by the C implementation
Parse rodata too
Allow the exit code from a failed test script to propagate to the Java
process, which makes it possible to track failing tests in makefiles and
via scripts.
Turn off the LCD by default as it is somewhat flaky
Use the medium model instead
Updated mspgcc comit