Ariane Integration (#448)

* [ariane/make] integrate ariane | have verilator be installed on path not in makefile

* [misc] warn on verilator not found | search for v files | cleanup build.sbt + .gitignore

* [firesim] bump

* [ci] add midas ariane tests

* [docker/ci] use new docker-image with verilator | re-elab on v changes for ariane | address comments

* [ci] remove references to local verilator install

* [verilator] update flags

* [verilator] minimal set of flags for ariane

* [ariane] bump ariane to master

* [ci] revert to 4.016 verilator

* [ci] install verilator to ci server | misc compile fixes

* [ci/make] add longer ci timeout | update when assert is added in verilator sim

* [firesim] bump for misc. updates

* [make/ci] cleanup makefile and remove firesim tests of it

* [docs/firesim] bump and clean docs

* [firesim] bump

* [ci] use remote verilator for midas tests

* [misc] cleanup built.sbt more

* [firesim] bump

* [misc] bump build.sbt patch for tutorials

* [firesim/ci] cleanup and bump firesim

variables.mk

@@ -114,11 +114,11 @@ HARNESS_SMEMS_CONF ?= $(build_dir)/$(long_name).harness.mems.conf
 HARNESS_SMEMS_FIR  ?= $(build_dir)/$(long_name).harness.mems.fir
 
 # files that contain lists of files needed for VCS or Verilator simulation
-sim_files                  ?= $(build_dir)/sim_files.f
-sim_top_blackboxes         ?= $(build_dir)/firrtl_black_box_resource_files.top.f
-sim_harness_blackboxes     ?= $(build_dir)/firrtl_black_box_resource_files.harness.f
+sim_files              ?= $(build_dir)/sim_files.f
+sim_top_blackboxes     ?= $(build_dir)/firrtl_black_box_resource_files.top.f
+sim_harness_blackboxes ?= $(build_dir)/firrtl_black_box_resource_files.harness.f
 # single file that contains all files needed for VCS or Verilator simulation (unique and without .h's)
-sim_common_files           ?= $(build_dir)/sim_files.common.f
+sim_common_files       ?= $(build_dir)/sim_files.common.f
 
 #########################################################################################
 # java arguments used in sbt