Webpage improvement

[sangkilc]

Please fix the following issues before the ASE deadline.

• [x] Describe what the project is about. People should be able to know what the web page is about when they first visit the page.

• [x] The page currently has several tables, but it is not clear whether the table is about bugs found.

• [x] Clearly show the versions of each lifters we tested.

• [x] Have a link to our paper PDF and the source code.

[mfaerevaag]

All has been fixed. Please see System section review. Leaving this task unchecked for now.

[mfaerevaag]

A description has been pushed and is ready for review.

[sangkilc]

Good job!