Add placeholder files for partition info.

The Crane/Tusker partition information will be read from html
files, updated at deploy time.  Placeholder files are needed to
avoid Hugo throwing errors about missing files.

static/html/crane.html

+<p><em>last generated Wed Nov  7 15:47:00 2018</em></p>
+ <table style="font-size: small">
+  <colgroup>
+   <col style="width: 8.83281%;"/>
+   <col style="width: 11.9085%;"/>
+   <col style="width: 18.4543%;"/>
+   <col style="width: 18.3754%;"/>
+   <col style="width: 19.2429%;"/>
+   <col style="width: 7.57098%;"/>
+   <col style="width: 7.80757%;"/>
+   <col style="width: 7.80757%;"/>
+  </colgroup>
+ <tbody>
+ <tr style="font-size: x-small">
+  <th>Partition</th>
+  <th>Owner</th>
+  <th>Node total (NODExCPU/MEM/FEATURE)</th>
+  <th>Description</th>
+  <th>SLURM Specification</span> </th>
+  <th>Max Job Run Time</th>
+  <th>Max CPUs Per User</th>
+  <th>Max Jobs Per User</th>
+ </tr>
+
+ <tr>
+   <td colspan="1">batch</td>
+   <td colspan="1">shared</td>
+   <td colspan="1">399 total (377x16/64GB/ib; 6x36/256GB/opa; 16x36/512GB/opa)</td>
+   <td colspan="1">(default, no specification)</td>
+   <td colspan="1">#SBATCH --partition=batch</td>
+   <td colspan="1" style="text-align: center;" >7-00:00:00</td>
+   <td colspan="1" style="text-align: center;" >ib:2000 opa:576</td>
+   <td colspan="1" style="text-align: center;" >1000</td>
+ </tr>
+ </tbody>
+ </table>

static/html/tusker.html

+<p><em>last generated Wed Nov  7 15:14:27 2018</em></p>
+ <table style="font-size: small">
+  <colgroup>
+   <col style="width: 8.83281%;"/>
+   <col style="width: 11.9085%;"/>
+   <col style="width: 18.4543%;"/>
+   <col style="width: 18.3754%;"/>
+   <col style="width: 19.2429%;"/>
+   <col style="width: 7.57098%;"/>
+   <col style="width: 7.80757%;"/>
+   <col style="width: 7.80757%;"/>
+  </colgroup>
+ <tbody>
+ <tr style="font-size: x-small">
+  <th>Partition</th>
+  <th>Owner</th>
+  <th>Node total (NODExCPU/MEM/FEATURE)</th>
+  <th>Description</th>
+  <th>SLURM Specification</span> </th>
+  <th>Max Job Run Time</th>
+  <th>Max CPUs Per User</th>
+  <th>Max Jobs Per User</th>
+ </tr>
+
+ <tr>
+   <td colspan="1" >batch</td>
+   <td colspan="1" >shared</td>
+   <td colspan="1" >38 total (38x64/256GB/none)</td>
+   <td colspan="1" >(default, no specification)</td>
+   <td colspan="1" >#SBATCH --partition=batch</td>
+   <td colspan="1" style="text-align: center;" >7-00:00:00</td>
+   <td colspan="1" style="text-align: center;" >2000</td>
+   <td colspan="1" style="text-align: center;" >1000</td>
+ </tr>
+ </tbody>
+ </table>