change version of recess to 1.1.7
Duplicate ID drop5
Duplicate ID navbar-example
Fix
Merge pull request #8169 from marsuboss/patch-4

Fix
Merge pull request #8167 from marsuboss/patch-1

Duplicate ID drop5
Merge pull request #8166 from liuyl/package

change version of recess to 1.1.7
Merge pull request #8168 from marsuboss/patch-2

Duplicate ID navbar-example
Merge pull request #5 from twitter/3.0.0-wip

3.0.0 wip