added variables to track usage of caches
added draft torrent for ccv_resample
- added a test for ccv_resample torrent interface
- cleaned cache stats variables in test components
- cleard compiler warnings of valloc
(under working) torrents for ccv_read and ccv_resample
finished ccv_read torrent, heading to test component
customized a dense matrix structure
tor_res works now
thx for ryx's help on debugging the cbuf

Conflicts:

	src/components/implementation/cbufp/default/cbufp.c
	src/components/include/cbuf.h
output matrix using treadp
re-organized the cbuf extension for libccv
rebase to upstream master

Conflicts:

	src/platform/linux/util/unit_cbuf.sh
fixed the cbuf flag problem (need to be confirmed)

- rebased to latest upstream
- fixed several compile warnings
Merge remote branch 'origin/torrent'

Conflicts:
	src/components/implementation/valloc/simple/valloc.c
	src/components/interface/cbuf_c/cbuf_meta.h
	src/components/lib/libccv/ccv.h
	src/components/lib/libccv/ccv_cache.c
	src/kernel/include/shared/cos_config.h