Updating paths for build env shortcut and Repo-Tasks module

Updating paths to the script and shortcuts that were documented.

Author: shahabhijeet

documentation/Repo-Tasks-Module.md

@@ -2,8 +2,8 @@
 
 ###### Usage:
 
-1. Start PS-VSPrompt.lnk (shortcut), this will start VS Dev Prompt in powershell
-2. Import-Module ./Repo-Tasks.psm1
+1. Start .\tools\PS-VSPrompt.lnk (shortcut), this will start VS Dev Prompt in powershell
+2. Import-Module .\tools\Repo-Tasks.psd1
 	1. During import, we allow to load additional functions that users might want to use it in their session.
 	2. If you have any userPreference.ps1 file under %userprofile%/psFiles directory, the module will try to load it by dot sourcing it.
 	2. It will also honor environment variable $env:psuserpreferences and load .ps1 files from the location that is pointed by $env:psuserpreferences
@@ -20,4 +20,4 @@
 		1. Will build and run existing tests.
 
 ###Note:
-If you do not start your powershell session using PS-VSPrompt shortcut, you will not have access to all the environment variables that are set as part of VS Dev Command prompt.
+If you do not start your powershell session using PS-VSPrompt shortcut, you will not have access to all the environment variables that are set as part of VS Dev Command prompt.