Add the first draft of Ruby GC Tuning Parameters post by @tomasmuller.
Write the Profiling topic.
Describe some of the GC environment tuning variables.
Write Generational GC topic, and minor tweaks.
Write about ruby heap on GC Tuning Parameters topic.
Describe RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR.
Describe RUBY_GC_MALLOC_LIMIT.
Describe RUBY_GC_MALLOC_LIMIT_MAX.
Describe RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR.
Minor tweak.
Add minor tweaks.
Describe RUBY_GC_OLDMALLOC_LIMIT.
Describe RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR and RUBY_GC_OLDMALLOC_LIMIT_MAX.
Add the bonus topic about unicorn and oobgc.
Add conclusion topic.
Update post date.
Update post date.
update ate
Merge pull request #331 from Helabs/post/ruby-vm-performance-tunning

Post: Ruby GC Tuning Parameters