8153659: Create a CHeap backed LogStream class
Reviewed-by: brutisso, mlarsson

8153658: Redundant memory copy in LogStreamNoResourceMark
Reviewed-by: kbarrett, jmasa

8152711: Create a non-template Log wrapper class
Reviewed-by: kbarrett, rehn

8152637: Create a stack allocatable LogStream class
Reviewed-by: rehn, brutisso