Added a benchmark to measure the performance of field accesses

Signed-off-by: Stefan Marr <[email protected]>

This commit avoids the lookup for the field index by name on every fi…

…eld access.

A simple inline cache with two entries.

Fix remaining Checkstyle errors

Signed-off-by: Stefan Marr <[email protected]>

Commit official version of SOM (Java)

This version was obtained from
http://hpi.uni-potsdam.de/hirschfeld/projects/som/.
The file information indicate that it is a version form 2009-09-17.