* Adding set_capacity method support
* Adding Python for make_channel
* Updating notest_concurrency
* Write python for make_channel method
* Write python for make_channel method
* Fix make_channel and test
* Placeholder ops for channel send, recv and close
* Adding ToTypeIndex method to var_type.h
* Add var_type.h to channel:
* Added POD_Type to the method
* Add CHANNEL to executor
* Updated get and set DataType to accomodate Channels
* Updating get and set to incorporate channels
* Adding CHANNEL as supported VarType in protobuf
* Removing unecessary import
* Fixing VarDesc to adapt to Channel as VarType
* Add channel.h to executor
* Remove innclude from channel
* Updated var_type to support Channel as var type
* Adding get_channel to pybind
* Added ChannelHolder
* Adding make_channel as an op
* Adding ChannelHolder in channel
* Fixing typo
* Commenting out operators in concurrency
* Removing totypeid right now since we don't need it.
* Reverting python changes
* Fixing typo in framework.py
* Modify comments for ReaderHolder
Abhinav Arora
kavyasrinet
Abhinav Arora
qingqing01
Yi Wang