Modify REE garbage collection settings for speedier tests.

ci.sh

@@ -7,6 +7,11 @@ echo "" &&
 rm -f Gemfile.lock &&
 source /usr/local/rvm/scripts/rvm &&
 rvm use ree@diaspora --create &&
+export RUBY_HEAP_MIN_SLOTS=1000000 &&
+export RUBY_HEAP_SLOTS_INCREMENT=1000000 &&
+export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1 &&
+export RUBY_GC_MALLOC_LIMIT=1000000000 &&
+export RUBY_HEAP_FREE_MIN=500000 &&
 rm -rf /usr/local/rvm/gems/ree-1.8.7-2010.02@diaspora/cache &&
 rm -rf /usr/local/rvm/gems/ree-1.8.7-2010.02@global/cache &&
 rm -rf /usr/local/rvm/gems/ree-1.8.7-2010.02/cache &&