<p>A few minor changes I made afterwards:</p>

<p><a href="https://github.com/mlpack/mlpack/commit/e0b6ce7cbd9ea2c6e9411ad4063115eeedc63b8e" class="commit-link"><tt>e0b6ce7</tt></a> <a href="https://github.com/mlpack/mlpack/commit/b30e6975a22d82f2f82d46d7fa219bdc2eb52870" class="commit-link"><tt>b30e697</tt></a> <a href="https://github.com/mlpack/mlpack/commit/d3e3c5470e38f781592d6344321f930df81a54d2" class="commit-link"><tt>d3e3c54</tt></a> <a href="https://github.com/mlpack/mlpack/commit/8ed22ce675da6a4a889ecc12b1f6d13f37c11fdf" class="commit-link"><tt>8ed22ce</tt></a> <a href="https://github.com/mlpack/mlpack/commit/e3a23c256f017ebb8185b15847c82f51d359cdfd" class="commit-link"><tt>e3a23c2</tt></a></p>

<p>I forgot about the versioning, which means we can't remove Projection() until 2.1.0:<br>
<a href="https://github.com/mlpack/mlpack/blob/master/UPDATING.txt">https://github.com/mlpack/mlpack/blob/master/UPDATING.txt</a></p>

<p>Let me know if I broke anything. :)</p>

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