* initial compilation script for chisel-vta;

* replace tabs with spaces;

* compile script for de10-nano;

* remove generated verilog source code;

* remove `altsource_probe`, `debounce`, `edge_detect` ip;

* replace quartus project files with a single tcl script;

* Update install.md

* improved makefile-based compilation script;

* complete makefile-based compilation of chisel-vta for de10-nano;

* install quartus;

* conversion to .rbf file;

* document chisel-vta compilation process for de10-nano;

* rename generated bitstream file;

* download and extract custom ip for de10-nano;

* minor change

* minor change

* fix indentation;

* bug fix;

* improved robustness in makefile;

* clean up;

* add `.sdc .ipx .qsys` allowance in jenkins;

* add ASF header;

* add ASF header;

* remove IntelShell.scala, update vta_hw.tcl, clean up Makefile & soc_system.qsys;

* add ASF header;

* keep sources compact;

* keep sources compact;

* it's not necessary now

* AXI4LiteClient -> AXI3Client for IntelShell

* remove connection to fpga_only_master;

* a few important bug fix: wire reset pin, and set host_r_last to high

* remove intel specific interface definition;

* add NO_DSP option in Makefile;

* AXI4Lite is not used in IntelShell;

* minor fix: disable dsp and use logic instead;

* quartus version change: 18.0 -> 18.1

* remove altera related statement;

* compose compile_design.tcl

* initial tcl script for soc_system generation;

* remove .qsys file;

* remove unused;

* .qsys can be generated by tcl script;

* remove hps_io and shrink size of soc_system;

* integrate into makefile;

* version change: 18.0 -> 18.1

* add sample config file for de10-nano;

* parameterize DEVICE and PROJECT_NAME

* remove extra lines;

* brief description on flashing sd card image for de10-nano

* docs on building additional components

* parameterize DEVICE and DEVICE_FAMILY

* parameterize DEVICE and DEVICE_FAMILY

* parameterize DEVICE and DEVICE_FAMILY

* de10-nano -> de10nano

* minor change

* add comment in code and document in order to address review comments;