Moving Hello World and Echo example to the top of Example folder

This should make things simpler for browsing newbies.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Adopt Loop benchmark from TruffleSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Adopt Field Access benchmark from TruffleSOM

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added missing benchmarks to the list of all benchmarks.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Use 'us' instead of 'µs', later is still problematic with various fonts and encodings

And it is 2013...

Signed-off-by: Stefan Marr <git@stefan-marr.de>