(DOCUMENTATION-105) Provides documentation for undocumented answer file items

A number of answers available for use in answer files are not documented. this causes confusion and wasted time when one of these answers is needed. This patch provides documentation for these items.
(DOCUMENTATION-105) Provides documentation for undocumented answer file items.

A number of answers available for use in answer files are not documented. This causes confusion and wasted time when one of these answers is needed. This patch provides documentation for these items. (now with fewer typos)
(DOCUMENTATION-107) All PE installer answer options should be documented

This patch provides documenation for all previously undocumented answers used by the PE 3.2 installer. Values and uses were gathered from the installer itself.
Merge pull request #334 from llowder/fix_for_DOCUMENT-105

Fix for document 105