* check in fixes

* fix by adding boxing method

* register tick op

* move code and add more check

* fix typo

* fix bug when filtering op nodes before adding tick

* better looking and more infomation of merged_plan.dot

* refine color

* check in fixes

* check in script

* fix boxing bug when setting conf with sbp

* flag for iter

* fixbug of delete worker

* fix delete worker in script

* address review, add exclusive or check

* reuse plan to dot file

* refine plan dot

* fix and add flags

* fmt

* rm debug output

* more flags

* check Activation

* fix fc bug when num axes > 2

* reverse change

* reuse plan to dot file

* refine plan dot

* half impl of without scp bin

* feat: init_worker can without scp binary and no use uuid

* init multi-unit by send oneflow_worker binary and ConfigProto to worker machine

* refine var name

* refine code

* compile user/main job only on master

* bert multi machine test code

* fix bugs

* JobConfs

* fix bugs under WITH_RDMA

* fix multi-machine bugs

* delete useless code

* check in updated paths

* check in minimum setup tool

* put job_conf into plan

* using job_name judge isPullJob/isPushJob

* fix wrong job_id error

* model_init is a push job; model_save is a pull job

* sbp for tick input bn

* interface_blob_conf for output_op/switch_output_op

* set sbp conf for tuple identity op

* fix bugs when merge main plan

* delete useless code

* address review