1. Remove useless component: NotFound, EmptyTable
2. Update asset path according to alias in webpack
3. Update page path according to alias in webpack
4. Remove useless image
5. Update image name
Change-Id: I0c8fc48733d0a0f9df80e8cc37db63fdebaa166b
1. Add client module to request openstack api
2. Remove window.request, stores use client to request api
3. Remove window.globals, use globalRootStore to deal with user info
Change-Id: I5657cfd8cf142dbacce8716991f805bbbb4a9222
