major logging overhaul, plus other fixes

Install-DeltekVision.ps1

@@ -4,8 +4,9 @@ $InstallLocation = "${Env:Public}\Desktop\Deltek Vision.lnk"
 ## Remove the existing shortcut
 If ( Test-Path $InstallLocation )
 {
+    LogMsg "Deleting ""${InstallLocation}"""
     Try { Remove-Item -Path $InstallLocation -Force }
-    Catch { Write-Output $_.Exception.Message }
+    Catch { LogErr $_.Exception.Message }
 }
 
 ## Get the correct path to IE
@@ -17,6 +18,7 @@ If ( $VisionURL )
     ## Make sure IE exists where we expect it to
     If ( Test-Path $IEPATH )
     {
+        LogMsg "Creating shortcut at ""${InstallLocation}"""
         Try
         {
             $WshShell = New-Object -ComObject WScript.Shell
@@ -28,6 +30,6 @@ If ( $VisionURL )
             $Shortcut.TargetPath = "${IEPATH}"
             $Shortcut.Save()
         }
-        Catch { Write-Output $_.Exception.Message }
-    } Else { Write-Output "Internet Explorer could not be found: ${IEPATH}" }
-} Else { Write-Output "No URL to Deltek Vision was specified!" }
+        Catch { LogErr $_.Exception.Message }
+    } Else { LogMsg "Internet Explorer could not be found: ${IEPATH}" }
+} Else { LogMsg "No URL to Deltek Vision was specified!" }