Updating build to only not build RigettiAcc and DWAcc when OpenSSL not found. Set up build to indicate you do not have OpenSSL if you don't

Adding AlgorithmGenerator and KernelReplacementPreprocessor. Adding QFT example to simple and rigetti

Setting up CMake build to add xacc-config.cmake to install prefix, enabling apps building off XACC to easily integrate into cmake builds

Major repository restructure. quantum is now the quantum runtime package, moved rigetti, simple acc, and scaffold to impls dir

Removing Compiler template parameter. Removing common submodule, adding fire as submodule. general clean up

Implemented QuantumCircuit graph with graphviz read method, updated tests for FireTensorAccelerator and SimulatedQubits

Adding EigenAccelerator that simulates QPU by simply creating unitary matrix and operating on Accelerator state