Added new flights:
z6 093 Kyiv-Donetsk at 08.30 (from 22.04)
z6 094 Donetsk-Kiev at 08.30 (from 22.04)
Changed the date of operating on 22/04/2013:
z6 091 Kyiv-Donetsk
z6 013 Kiev-Odessa
z6 092 Donetsk-Kiev
z6 014 Odessa-Kiev
Temporarily canceled flights:
z6 041 Kyiv-Lviv
z6 042 Lviv to Kiev
