T32: FailT32 support for Cortex-M3

Currently working:
 - Connect/Disconnect, Read CPU info
 - CMM Script generation and T32 startup via cmake (make runt32)
 - Read/Write Register, Read Program Pointer
 - Read/Write Memory
 - Single Breakpoint
 - Setting Memory Breakpoint

TODO:
 - Fix mock aspect for T32_GetRam.
 - Fix Thumb2 bit in function addresses from ELFReader
 - Evaluate memory breakpoint hit

debuggers/t32/src/main.cc

@@ -78,7 +78,10 @@ int main(int argc, char** argv){
   }
 
   // Initialize T32
-  t32.startup();
+  if(t32.startup() == false){
+    cout << "Could not connect to Lauterbach :(" << endl;
+    return -1;
+  }
 
 
   // Let the SimulatorController do the dirty work.