Backports PR #9934
**Commit 1:**
fixes windows path un ui-framework startup
* Original sha: 33e3d3e390
* Authored by Jim Unger <bigfunger@gmail.com> on 2017-01-18T20:56:36Z
Backports PR #9928
**Commit 1:**
Fix IE11 bugs with Table and ToolBar.
- Make table-layout use the default, instead of fixed.
- Fix flexbox bug with ToolBar.
- Update ui_framework task to serve on port 8020.
- Add babel-core/polyfill to UI Framework docs site.
* Original sha: 54144129c9
* Authored by CJ Cenizal <cj@cenizal.com> on 2017-01-18T17:19:43Z
Remove libsass as a dependency
libsass is platform specific, therefore we can not ship it as a dependency. Instead, we will commit the compiled CSS for the UI Framework to the repository. This is updated when running `npm run uiFramework:start` which also starts the docs site.
Signed-off-by: Tyler Smalley <tyler.smalley@elastic.co>