Bug 784739 - Switch from NULL to nullptr in build/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in mozglue/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in mozglue/linker/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in tools/profiler/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in miscellaneous directories; r=ehsan