Refactors git models & parsers

Adds full git status parsing
Adds git status info into status quick pick
Switches to async/await in file blame/log

src/git/models/logCommit.ts

@@ -0,0 +1,53 @@
+'use strict';
+import { Uri } from 'vscode';
+import { GitCommit, IGitCommitLine } from './commit';
+import { GitStatusFileStatus } from './status';
+import * as path from 'path';
+
+export type GitLogType = 'file' | 'repo';
+
+export class GitLogCommit extends GitCommit {
+
+    fileNames: string;
+    fileStatuses: { status: GitStatusFileStatus, fileName: string, originalFileName?: string }[];
+    nextSha?: string;
+    nextFileName?: string;
+    status: GitStatusFileStatus;
+
+    constructor(
+        public type: GitLogType,
+        repoPath: string,
+        sha: string,
+        fileName: string,
+        author: string,
+        date: Date,
+        message: string,
+        status?: GitStatusFileStatus,
+        fileStatuses?: { status: GitStatusFileStatus, fileName: string, originalFileName?: string }[],
+        lines?: IGitCommitLine[],
+        originalFileName?: string,
+        previousSha?: string,
+        previousFileName?: string
+    ) {
+        super(repoPath, sha, fileName, author, date, message, lines, originalFileName, previousSha, previousFileName);
+        this.status = status;
+
+        this.fileNames = this.fileName;
+
+        if (fileStatuses) {
+            this.fileStatuses = fileStatuses.filter(_ => !!_.fileName);
+            this.fileName = this.fileStatuses[0].fileName;
+        }
+        else {
+            this.fileStatuses = [{ status: status, fileName: fileName }];
+        }
+    }
+
+    get nextShortSha() {
+        return this.nextSha && this.nextSha.substring(0, 8);
+    }
+
+    get nextUri(): Uri {
+        return this.nextFileName ? Uri.file(path.resolve(this.repoPath, this.nextFileName)) : this.uri;
+    }
+}