* ['Files'] make the headings such as 'My Libraries' and the library star/unstar icons left-aligned
* ['dir view'] 'path bar' improvement: display the current side nav item(such as 'Files', 'My Libraries', groupname & etc.) in it
* [side nav] improvement: when visit the siteRoot page, highlight the 'Files' tab
* [border color] modified border color in tables & other UIs (so that they are same)
* [side nav] redesigned it: added a new item 'Files', and made 'My Libraries' and some other items as its sub nav items
* ['Files'] added new page 'Files'(added 'My Libraries' to it)
* ['Files'] added 'Shared with me' to it
* ['Files'] added 'Shared with all' to it
* ['Files'] added 'Shared with groups' to it (removed 'details' for 'department')