Changing execution policy

Set execution policy to RemoteSigned as this is the only option
available at FWO.
Updated the Crawler Properties Script

Updated because it was not creating the properties in the correct
category.
Adding some logging if the crawled property doesn't exist.
Added categories to each of the crawled properties in the xml.
Ensured that the date time field types have been set correctly.
Added crawled property for Enquiry_hpfwo_enquirytypelevel1idname.
Added managed property for the Contact_Telephone.
Force the Uninstall of a feature

Updated to force the uninstall of the feature as the environment was not
correctly uninstalling and the error suggested to add this parameter.
Updating the Create Search Results Pages script

Added checking that the page has been created before modifying webparts
etc.
Added a log message before creating the page.
Updated the logging to use the Log function so messages can be seen
easily in green.