New Grammars Compiler (#3915)

* grammars: Update several grammars with compat issues

* [WIP] Add new grammar conversion tools

* Wrap in a Docker script

* Proper Dockerfile support

* Add Javadoc grammar

* Remove NPM package.json

* Remove superfluous test

This is now always checked by the grammars compiler

* Update JSyntax grammar to new submodule

* Approve Javadoc license

* grammars: Remove checked-in dependencies

* grammars: Add regex checks to the compiler

* grammars: Point Oz to its actual submodule

* grammars: Refactor compiler to group errors by repo

* grammars: Cleanups to error reporting

tools/grammars/Gopkg.lock

@@ -0,0 +1,45 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  branch = "master"
+  name = "github.com/golang/protobuf"
+  packages = ["proto"]
+  revision = "1e59b77b52bf8e4b449a57e6f79f21226d571845"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/groob/plist"
+  packages = ["."]
+  revision = "7b367e0aa692e62a223e823f3288c0c00f519a36"
+
+[[projects]]
+  name = "github.com/mattn/go-runewidth"
+  packages = ["."]
+  revision = "9e777a8366cce605130a531d2cd6363d07ad7317"
+  version = "v0.0.2"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/mitchellh/mapstructure"
+  packages = ["."]
+  revision = "06020f85339e21b2478f756a78e295255ffa4d6a"
+
+[[projects]]
+  name = "gopkg.in/cheggaaa/pb.v1"
+  packages = ["."]
+  revision = "657164d0228d6bebe316fdf725c69f131a50fb10"
+  version = "v1.0.18"
+
+[[projects]]
+  branch = "v2"
+  name = "gopkg.in/yaml.v2"
+  packages = ["."]
+  revision = "287cf08546ab5e7e37d55a84f7ed3fd1db036de5"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "eb10157687c05a542025c119a5280abe429e29141bde70dd437d48668f181861"
+  solver-name = "gps-cdcl"
+  solver-version = 1