* Login Page added 
 - Authentication changed to form
 - login constraints changed to allow some pages & forbid some other pages
 - login.jsp , logout.jsp , error.jsp added for handling authentication
* Auto Refresh fixed but needs to test
* Settings.html added to change default port and default connection (it added to Basic setting Accordion)
* some bug fixes
 - delete station needs to refresh cache 
 - page reload needs to continue when error occure
 - page scrolls fixed for basic setting pages
 - logo fixed 
* group management button now is under station list and changed some
* delete station can be done in the station list 
* station list refresh done without reloading whole page
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