sl/fixed_point_proxy: visualize shape var assignment
sl/cont_shape_var: basic implementation of assignOpPorts()
sl/cont_shape_var: basic implementation of propagateVars()
sl/cont_shape_var: produce a more usable result
cont_shape_var: basic implementation of validateTransitions()
cont_shape_var: support asymmetric template match
sl/cont_shape_var: input opList in assignShapeVariables()
sl/adt_op_replace: module handling operation replacement
sl/adt_op_replace: basic implementation of checkIndependency()
sl/adt_op_replace: basic implementation of findLocToReplace()
sl/adt_op_replace: propagate name of the template
sl/adt_op_replace: print instructions to be dropped
sl/fixed_point_proxy: drop summarizeInsnReplace()

... which is now obsoleted by replaceSingleOp()
sl/adt_op_replace: bind operations to container variables
sl/adt_op_replace: bind operations to pointer variables
sl/fixed_point: provide the exportControlFlow() fnc
sl/fixed_point_proxy: split plotFncCore() into two functions
sl/fixed_point_proxy: plot an extra CFG-only subgraph
sl/fixed_point: introduce the StateRewriter class
sl/fixed_point: implement StateRewriter::replaceInsn()