[IP Generation] Added functionality to run the .tcl script and build an IP component from a specific node

[Code Generation - npysim] Changed compilation command so that it reads the env variable VIVADO_PATH to include the vivado-hlslib files

[Dockerfile] Included vivado into container and passed env variable VIVADO_PATH to container as XILINX_VIVADO

[Code Generation - IP] Added .cpp template to __init__() and added additional function, filled the functions in convinputgenerator.py

[member function] Changed get_nodeattr_types by moving "backend" attribute to __init__ instead of in each fpgadataflow custom op class

[Verify CustomOp Construct] Deleted obsolete file, because functionality is now moved to CustomOp class

[StreamingFCLayer_Batch] filled verify function and extended get_nodeattr_types with backend, code_gen_dir and executable_path

[StreamingMaxPool_Batch] filled verify function and extended get_nodeattr_types with backend, code_gen_dir and executable_path