Avoid LocalDate.ofEpochDay() out of range

Validate input and fix EPOCH_DAY boundaries
Fixes #39

.gitignore

@@ -22,3 +22,5 @@
 !/src/main/
 !/src/site/
 !/src/test/
+
+**/TempTest.java

src/main/java/org/threeten/bp/LocalDate.java

@@ -279,6 +279,7 @@ public static LocalDate ofYearDay(int year, int dayOfYear) {
      * @throws DateTimeException if the epoch days exceeds the supported date range
      */
     public static LocalDate ofEpochDay(long epochDay) {
+        EPOCH_DAY.checkValidValue(epochDay);
         long zeroDay = epochDay + DAYS_0000_TO_1970;
         // find the march-based year
         zeroDay -= 60;  // adjust to 0000-03-01 so leap day is at end of four year cycle

src/main/java/org/threeten/bp/temporal/ChronoField.java

@@ -312,7 +312,7 @@ public enum ChronoField implements TemporalField {
      * This field is strictly defined to have the same meaning in all calendar systems.
      * This is necessary to ensure interoperation between calendars.
      */
-    EPOCH_DAY("EpochDay", DAYS, FOREVER, ValueRange.of((long) (Year.MIN_VALUE * 365.25), (long) (Year.MAX_VALUE * 365.25))),
+    EPOCH_DAY("EpochDay", DAYS, FOREVER, ValueRange.of(-365243219162L, 365241780471L)),
     /**
      * The aligned week within a month.
      * <p>