Closes issue #76 - Fixes graph after compile

[sahilcc7]

The graph showing revision history now works after compiling all .ts files. Regarding issue #76 Files changed:

• index.html
• repo.js
• repo.ts

[softeng-701]

@sahilcc7 Please have all group members review the PR, thanks!

[softeng-701]

@sahilcc7 Looks good!

[softeng-701]

@sahilcc7 This PR is for a closed issue, was it closed before a PR resolved it?

[sahilcc7]

@softeng-701 Sorry I accidentally closed the issues before the pull request was merged in. I have reopened the issue. Cheers