Fixing positions of buttons on reservation edit page.
Deleted action Reservation/Search. Using Reservation/Index instead.
Changed showing messageBox with client id. Using cache.
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.