Issue #429 completed

1)After implementing issue 429 some searchBoxes lost their styles, fixes was made in site.css
2)In ADM\GetEmployeeReadOnly view some sideeffects occured, EmpScript.js didn't work for this view. Temporary fix: add script reference record in this view.
3) In VU\GetBusinessTripDataByUnitsVU numeral custom sort functon was added (missed after last merge ?)
4) ADM(BTsTabTests, EmployeesTabTests), ACC(CurrenFutureBTs), ABM(HolidayTabTest), BDM(GreetingsTabTests), BTM(BTsInProcessTabTest,PrivateTripsTabTest ), VUPage(BTsByUnitsTabTests, DaysFromBTsTest, EmployeesTest, PrivateTripsTabTests, VisasAndPermitsTab) test was modified due to implementation of issue 429.
5)Method SelectOption was added to TestWrapper\Browser.cs