first version of the new simplified memory management
more updates to the new memory management system
fixes to the new memory management system
first working hugepage allocator version
allow extending of the last block in a cheap way
More improvements to the new memory manager

the memory manager now compiles with g++4.7. The hugepages example
now shows how the memory monitor is used.
set file size even if we don't resize
Merge pull request #81 from mpetri/new-memory-management

New memory management system with better logging and hugepage support