ACCUMULO-971 Fix LICENSE headers, which should not be javadocs, and should be before the package declaration for the file. Moved some class comments that were
between the package line and the import statements.


git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1447979 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-971 Merged LICENSE header fixes and other javadoc fixes from r1447979 forward to 1.6 (trunk) from the 1.5 branch.


git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1447981 13f79535-47bb-0310-9956-ffa450edef68