Eclipse syntax coloring updated

Andrea Zoppi
Removed user error print; messages updated

The urosUserErrPrintf() was clueless, and was removed.
Error message parameters are now ANSI C compliant, even if the GNU version was
more expressive.

Andrea Zoppi
Minor changes

Andrea Zoppi
Optimized turtle management

Fewer local variables, and simplified code.

Andrea Zoppi
Added support for custom memory heaps

Andrea Zoppi
Updated urosgen for multiple heaps

Andrea Zoppi
Added list indexOf()

Andrea Zoppi
Updated support for static analysis in makefiles

They will generate GKD, SU, NM objects by default.

Andrea Zoppi
Added static stack analyzer

Andrea Zoppi