[gzip_all, libz_h2] Add memcpy_c implementation, SB_COLLECT_STATS and updated test script.
[libz_h2] Distinguish between zwrapper1 and zwrapperm cases for single/multiple sandbox creation.
[gzip_all] Add gzip_u_libz1 and gzip_u_libzm cases and remove gzip_u_libz_h case. Also add num_sandboxes stat.
[libz_h2] Cleanup: lines <= 70 chars.
[gzip_all] test.sh: run all programs in a loop rather than unrolled.
[libsep] Add Capsicum statistics collection (number of sandboxes created and number of RPCs made).
[gzip_all] Add sb_create test case (to measure the overhead of sandbox creation by passing multiple files).