Attempt at mentioning authors and license in one place. The arch.h file contains a draft header for this purpose.
Cleaned up licensing and changed license to Simplified BSD License.
Cleaned up README.md and changed copyright header in all source files
to match the draft header in arch.h
Commented out malloc.h include and mallinfo use in meter.c
Replaced spin locks by mutexes and turned aliases into weak aliases.
Put the malloc.h include and mallinfo use back.
Uncomment info variable declaration.
Commented out ifdefs in meter.c.
Merge branch 'develop'