5722 Update timezone info db to 2015a

@@ -275,11 +275,11 @@
 MT      +3554+01431     Europe/Malta    -
 MU      -2010+05730     Indian/Mauritius        -
 MV      +0410+07330     Indian/Maldives -
 MW      -1547+03500     Africa/Blantyre -
 MX      +1924-09909     America/Mexico_City     Mexico/General  Central Time - most locations
-MX      +2105-08646     America/Cancun  -       Central Time - Quintana Roo
+MX      +2105-08646     America/Cancun  -       Eastern Standard Time - Quintana Roo
 MX      +2058-08937     America/Merida  -       Central Time - Campeche, Yucatan
 MX      +2540-10019     America/Monterrey       -       Mexican Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas away from US border
 MX      +2550-09730     America/Matamoros       -       US Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas near US border
 MX      +2313-10625     America/Mazatlan        Mexico/BajaSur  Mountain Time - S Baja, Nayarit, Sinaloa
 MX      +2838-10605     America/Chihuahua       -       Mexican Mountain Time - Chihuahua away from US border

@@ -308,11 +308,12 @@
 PA      +0858-07932     America/Panama  -
 PE      -1203-07703     America/Lima    -
 PF      -1732-14934     Pacific/Tahiti  -       Society Islands
 PF      -0900-13930     Pacific/Marquesas       -       Marquesas Islands
 PF      -2308-13457     Pacific/Gambier -       Gambier Islands
-PG      -0930+14710     Pacific/Port_Moresby    -
+PG      -0930+14710     Pacific/Port_Moresby    -       most locations
+PG      -0613+15534     Pacific/Bougainville    -       Bougainville
 PH      +1435+12100     Asia/Manila     -
 PK      +2452+06703     Asia/Karachi    -
 PL      +5215+02100     Europe/Warsaw   Poland
 PM      +4703-05620     America/Miquelon        -
 PN      -2504-13005     Pacific/Pitcairn        -