8166012: [linux] Remove remnants of LinuxThreads from Linux attach framework
Reviewed-by: dholmes, alanb

8055230: Rename attach provider implementation class be platform neutral
Reviewed-by: alanb, chegar, dfuchs, dholmes, erikj, sla

8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar

8027566: Remove the old build system
Reviewed-by: erikj, tbell