Adds 'Show Stashed Changes` command

Adds experimental 'Apply Stashed Changes' command
Adds experimental 'Delete Stashed Changes' to stashed changes quick pick

src/git/models/stashCommit.ts

@@ -0,0 +1,24 @@
+'use strict';
+import { IGitCommitLine } from './commit';
+import { GitLogCommit } from './logCommit';
+import { IGitStatusFile, GitStatusFileStatus } from './status';
+
+export class GitStashCommit extends GitLogCommit {
+
+    constructor(
+        public stashName: string,
+        repoPath: string,
+        sha: string,
+        fileName: string,
+        date: Date,
+        message: string,
+        status?: GitStatusFileStatus,
+        fileStatuses?: IGitStatusFile[],
+        lines?: IGitCommitLine[],
+        originalFileName?: string,
+        previousSha?: string,
+        previousFileName?: string
+    ) {
+        super('stash', repoPath, sha, fileName, undefined, date, message, status, fileStatuses, lines, originalFileName, previousSha, previousFileName);
+    }
+}