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

.gitmodules

@@ -113,6 +113,9 @@
 [submodule "software/firemarshal"]
 	path = software/firemarshal
 	url = https://github.com/firesim/FireMarshal.git
+[submodule "generators/ariane"]
+	path = generators/ariane
+	url = https://github.com/ucb-bar/ariane-wrapper.git
 [submodule "tools/DRAMSim2"]
 	path = tools/DRAMSim2
 	url = https://github.com/firesim/DRAMSim2.git