Show literals for push_ivar in bytecode printer
Merge pull request #2175 from ryoqun/push-ivar-pretty

Show literals for push_ivar in bytecode printer
Fix coding style for :shared
Merge pull request #2176 from ryoqun/spec-shared-style

Fix coding style for :shared
Simplify check_serial code in JIT helpers
Merge branch 'master' of github.com:rubinius/rubinius