Extract git static contributions into a separate extension

extensions/git-base/package.json

@@ -0,0 +1,70 @@
+{
+  "name": "git-base",
+  "displayName": "%displayName%",
+  "description": "%description%",
+  "version": "1.0.0",
+  "publisher": "vscode",
+  "license": "MIT",
+  "engines": {
+    "vscode": "0.10.x"
+  },
+  "scripts": {
+    "update-grammar": "node ./build/update-grammars.js"
+  },
+  "contributes": {
+    "languages": [
+      {
+        "id": "git-commit",
+        "aliases": [
+          "Git Commit Message",
+          "git-commit"
+        ],
+        "filenames": [
+          "COMMIT_EDITMSG",
+          "MERGE_MSG"
+        ],
+        "configuration": "./languages/git-commit.language-configuration.json"
+      },
+      {
+        "id": "git-rebase",
+        "aliases": [
+          "Git Rebase Message",
+          "git-rebase"
+        ],
+        "filenames": [
+          "git-rebase-todo"
+        ],
+        "configuration": "./languages/git-rebase.language-configuration.json"
+      },
+      {
+        "id": "ignore",
+        "aliases": [
+          "Ignore",
+          "ignore"
+        ],
+        "extensions": [
+          ".gitignore_global",
+          ".gitignore"
+        ],
+        "configuration": "./languages/ignore.language-configuration.json"
+      }
+    ],
+    "grammars": [
+      {
+        "language": "git-commit",
+        "scopeName": "text.git-commit",
+        "path": "./syntaxes/git-commit.tmLanguage.json"
+      },
+      {
+        "language": "git-rebase",
+        "scopeName": "text.git-rebase",
+        "path": "./syntaxes/git-rebase.tmLanguage.json"
+      },
+      {
+        "language": "ignore",
+        "scopeName": "source.ignore",
+        "path": "./syntaxes/ignore.tmLanguage.json"
+      }
+    ]
+  }
+}