7143664: Clean up OrderAccess implementations and usage
Summary: Clarify and correct the abstract model for memory barriers provided by the orderAccess class. Refactor the implementations using template specialization to allow the bulk of the code to be shared, with platform specific customizations applied as needed.
Reviewed-by: acorn, dcubed, dholmes, dlong, goetz, kbarrett, sgehwolf
Contributed-by: Erik Osterlund <erik.osterlund@lnu.se>

8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Summary: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Reviewed-by: lfoltan, coleenp, dholmes

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com