mibuild/altera_quartus: add support for verilog include
mibuild/altera_quartus: set top_level_entity
mibuild: add bitstream_ext parameter to platforms
sim: use (mandatory) ncycles when starting a simulation with no active functions
mibuild/altera_quartus: enforce use of SYSTEMVERILOG in Quartus (VERILOG does not support global parameters)
mibuild: force shell script generation to unix format (will be executed with cygwin's bash on windows)
wishbone2lasmi: support lasmim data_width < wishbone data_width
misc: return signal in chooser/displacer when flen of shift is 0