1. Add global navigation at the left top position of the whole page
2. Update the right menu layout to adjust the global navigation
3. The global navigation show the extended menu in the console/user center/administrator
Change-Id: Iee64af2821bd034e3818166308512d946e44cbe7
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