PCSAR Doc-90 Initial POA

Editing
doc-090-initial-poa-example is produced as follows:
 * cp doc-090-initial-poa.odt to doc-090-initial-poa-example.odt
 * edit doc-090-initial-poa-example.odt to include example text
 * export doc-090-initial-poa-example.odt as pdf
 * use gimp to convert pdf to png
 * import into doc-090-initial-poa-example.odg
 * mark up
 * export as doc-090-initial-poa-example.pdf

Change log

 * 2013-01-04 add example calculation worksheet