fix problem where incorrect logic for nodestruct's check target nodes internal when target node is graph inputs
update copyright
add a output mgr
adopt the generator with new fragment exchange msg. still need to adopt old ver. code_settings etc.
outputs mgr dev; adapt the new fragment. temp disable extra nodes and weights
adapt the NewFragment; re-imlement the module struct reset method
update ut mapper test for new fragment

Use the AST replaces the importlib/inspect modules to analyze and modify network definition script.
The importlib/inspect must load python script to analyze, but AST analysis is static code analysis and is very secure.

add op mappings

fix pylint

fix mistake { as [

add tests

add test for eye and revise func and mappings

revise mapping and add test

fix pylint

fix pylint

Merge pull request !156 from quyongxiu1/br_ut_qyx

test 1

test2

revise t2

test 4

test 5

test 6

test 7

test 7

add test pyint