Added new model Configs.

Changes some field constraints for Stadiums and Clients.
Created migration "configs".
Added class ConfigView and methods for work with it
Added jquery validation for Reservation create page
Moved link to ValidationMessages.js into _SettingsLayout.cshtml
Added searching at reservations list page.
Updated jqury to version 2.1.1. Deleted jqury-globalize.
Implamentation ConfigSetting with some error.
Implamentation of ConfigSetting.
Improved quality icon configs.png for ConfigSetting.
Fixing positions of buttons on reservation edit page.
Deleted action Reservation/Search. Using Reservation/Index instead.
Changed showing messageBox with client id. Using cache.
Validation BeginAt for MatchSetting.
Added modals for notifying into all shared pages.

Using: Home/Index?notify=msgId

Where, msgId is a key:
msgId = BaseController.PrepareMessageBox(message, header);
Set modal errors notifications into controllers.
Added sorting matches in selection list at main page in ascending order by begin date.
Made refactoring for ConfigSetting.
Added sorting by name of stadiums in selection list at main page.
Added maxlength constraint for search textbox at reservation/Index