Add assert in mac os x proc list function. #3725

Assert that size passed to realloc() is non-zero, as suggested in code
review.
remove PRE_RELEASE from 8.0.1 release branch
===VersionHistory:None===
Change V8_0-branch to verion 8.0.2
===VersionHistory:None===
Merge branch 'V8_0-branch'

Conflicts:
	CMakeLists.txt