Relocate example parameter files

gauge/params/.gitignore

gauge/params/Cinfv-hyperplane.ini

gauge/params/D2h-cycle.ini

gauge/params/D2h-grid.ini

gauge/params/D2h-phase-diagram.ini

gauge/params/D3h-phase-diagram.rank2.ini

gauge/params/D3h-phase-diagram.rank3.ini

gauge/params/Dinfh-hyperplane.ini

gauge/params/Oh-hyperplane.ini

gauge/params/Td-cycle.ini

gauge/params/Td-hyperplane.ini

gauge/params/Th-hyperplane.ini

ising/params/.gitignore

ising/params/ising.ini

params/.gitignore

params/build_and_run_all.sh

params/grid/graph.gnuplot

params/hyperplane/Td/Td.gnuplot