start of basic simple graph components
Separate out Graph::Vertex class
Duplicate std::operator< into top level namespace.
attempt to migrate to bitbucket private repository
Merge branch 'master' of https://github.com/ekline/zed5
Merge branch 'master' of https://bitbucket.org/ekline/zed5
misc Socket rework, experiment with fibers
Merge branch 'master' of https://bitbucket.org/ekline/zed5
Some Core rework.
    * Memory methods
    * New scoped_anon
Merge branch 'master' of https://bitbucket.org/ekline/zed5
Fix const issue
Massive memory rewrite
Fibers tinkering...
Remove ucontext references, for now
More fibers tinkering
Fiber tinkering

  * Core::Callback test method naming
  * Explicity list -O2 optimization options
  * Fibers management static class