orgchart prototype added, table css changed to bootstrap default

conditional option added to trMultiSelectable
draggable, droppable directive added
model change on blur directive added
added changing password modal and validation. added validation for creating/modifying user
enhanced validation design applied
createUser,updateUser now works

check login name is unique.
hide menu under development (group tree)
moveUsers, removeUsers now works

some of dom elements & controllers are arranged.
display alert with failed login name if call removeUsers and success partially
logdb login implemented on webconsole
changing role and setting admin works
added Logdb.Management service, orgchart can grant/revoke privileage
methods about organization unit implemented on ui
fixed bug on dragging users

determine single selection by model
display checked user count, now can search table list
removed unused code
display current session login name, added dom service
added cheking code of authority accessing organization chart

now can change password
disable orgunit method on not master role

write message specifically after moving/deleting users
confirm remove orgunit
after remove orgunit event changed
fixed ui bug about editing user just created, remove dropdown menu at 'all users', fixed bug about not updating orgunit name on user info
display edit,change password button by comparing level