Reviewed-by: kbarrett, dholmes

Summary: Added a G1CollectorPolicyExt where it is possible to extend the class.
Reviewed-by: sjohanss, tschatzl

Reviewed-by: brutisso, mgerdin, tschatzl

Summary: Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context.
Reviewed-by: mgerdin, brutisso

Reviewed-by: mgerdin, bdelsart, jcoomes

Summary: Added arguments_ext.cpp to make place for initialization of extended features
Reviewed-by: sla, mgronlun

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair