Summary:
### Changes
- [x] Aligning header elements to the center.
- [x] Added logo
> This makes the docs look symmetrical and looks a bit catchy.
Pull Request resolved: https://github.com/facebook/infer/pull/1295
Reviewed By: martintrojer
Differential Revision: D24330220
Pulled By: jvillard
fbshipit-source-id: 1ebb3a997
Summary:
Change the license of the source code from BSD + PATENTS to MIT.
Change `checkCopyright` to reflect the new license and learn some new file
types.
Generated with:
```
git grep BSD | xargs -n 1 ./scripts/checkCopyright -i
```
Reviewed By: jeremydubreil, mbouaziz, jberdine
Differential Revision: D8071249
fbshipit-source-id: 97ca23a