simpleopenni initial commit to git repo

Former-commit-id: 2818d2c746d8d7d67ea6b5723af8d0c5e0e6667d
split data

Former-commit-id: b56fa35462064fb5a0bbbf756b3544a03b9b0346
split nite files

Former-commit-id: f4725f9f16b908a0e185669c9b56debd86cbb4e6