Refactored package names

Author: mathiassteger

src/day1/Main.java renamed to src/day01/Main.java

@@ -1,4 +1,4 @@
-package day1;
+package day01;
 
 import util.ReadInputHelper;
 

src/day2/Main.java renamed to src/day02/Main.java

@@ -1,4 +1,4 @@
-package day2;
+package day02;
 
 import java.util.ArrayList;
 

src/day3/Main.java renamed to src/day03/Main.java

@@ -1,4 +1,4 @@
-package day3;
+package day03;
 
 import java.util.ArrayList;
 import java.util.Arrays;

src/day4/Main.java renamed to src/day04/Main.java

@@ -1,4 +1,4 @@
-package day4;
+package day04;
 
 import java.util.ArrayList;
 import java.util.Arrays;

src/day5/Main.java renamed to src/day05/Main.java

@@ -1,4 +1,4 @@
-package day5;
+package day05;
 
 import java.util.ArrayList;
 import util.ReadInputHelper;

src/day6/Main.java renamed to src/day06/Main.java

@@ -1,4 +1,4 @@
-package day6;
+package day06;
 
 import java.util.ArrayList;
 import java.util.Arrays;

src/day7/Main.java renamed to src/day07/Main.java

@@ -1,4 +1,4 @@
-package day7;
+package day07;
 
 import java.util.ArrayList;
 import java.util.Collections;

src/day8/Main.java renamed to src/day08/Main.java

@@ -1,4 +1,4 @@
-package day8;
+package day08;
 
 import java.util.ArrayList;
 import java.util.Comparator;

src/day9/Main.java renamed to src/day09/Main.java

@@ -1,4 +1,4 @@
-package day9;
+package day09;
 
 import java.util.ArrayList;