- Added ArrayUtil.indexOf(int[], int).
This has never been added, in all our years, because it exists in IntListUtil.
IntLists are sort of different from int[]s, they're designed such that a 0
is an empty slot. But indexOf() works the same in either one, so let's make
ArrayUtil the definitive container of this code, and have IntListUtil use
ArrayUtil.
git-svn-id: https://samskivert.googlecode.com/svn/trunk@2344 6335cc39-0255-0410-8fd6-9bcaacd3b74c
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