From: @fuyu0830
Reviewed-by: 
Signed-off-by:

From: @gzhcv
Reviewed-by: 
Signed-off-by:

From: @lixiaohui33
Reviewed-by: 
Signed-off-by:

From: @moran3
Reviewed-by: 
Signed-off-by:

From: @liuchongming74
Reviewed-by: @yelihua,@ouwenchang
Signed-off-by: @ouwenchang

From: @lixiaohui33
Reviewed-by: @ouwenchang
Signed-off-by:

From: @jiang-shuqiang
Reviewed-by: @yelihua
Signed-off-by:

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

From: @moran3
Reviewed-by: 
Signed-off-by:

From: @yelihua
Reviewed-by: @wangyue01,@ouwenchang
Signed-off-by: @ouwenchang

From: @jiang-shuqiang
Reviewed-by: @wenkai_dist,@tangjr14
Signed-off-by: @tangjr14

1. delete the unused code, catch unknown error is unused in explain_parser.py
2. fix bug the lastest file size is unused
3. rename some variables and fix some spelling error

From: @ouwenchang
Reviewed-by: 
Signed-off-by:

Support to stop the loader that is currently loading data when add a new loader to cache by get_job method
Add the UT usecase to the stop mechanism

From: @luopengting
Reviewed-by: @wenkai_dist,@wangyue01
Signed-off-by: @wangyue01

If the values for batch_size is 'choice: [1, 2, True]', it will raise
validation exception.

Additionally, use 'type(value) is int' will not pass pylint. so use
'isinstance(x, bool) or not isinstance(x, int)' to filter invalid
value(s).

From: @jiang-shuqiang
Reviewed-by: @wenkai_dist
Signed-off-by:

add "1", "0" for --enable-debugger
add default node for all kind of watch conditions

Add pre-checking about the param type in choice. If user use batch_size:
[2, 4, ff] in optimizer config file, it will raise an Exception to tell
that it must be integer.

From: @jiang-shuqiang
Reviewed-by: 
Signed-off-by:

From: @yelihua
Reviewed-by: 
Signed-off-by:

From: @yelihua
Reviewed-by: @wangyue01,@lilongfei15
Signed-off-by: @lilongfei15