COMP: Add cmake tr1 namespace check for macos clang

Change-Id: I2fde834bfe028686c0af522897c9e062769c1f0c
COMP: Use ZeroValue instead of Zero for clang macos 10.9 compilation

Change-Id: I194fe45e328ed3ab8463595b26ee30959b8eaf53
Merge topic 'some-osx-mavericks-corrections'

1976204 COMP: Use ZeroValue instead of Zero for clang macos 10.9 compilation
1e38c1c COMP: Add cmake tr1 namespace check for macos clang