Fix echo commands in a virtualenv Windows batch file

Author: mdmintz

virtualenv_install.bat

@@ -5,17 +5,17 @@
 
 python -m pip install --upgrade virtualenv
 python -m pip install --upgrade virtualenvwrapper-win
-echo ""
-echo ""
-echo "*** You may now use virtualenv commands in your command shell. ***"
-echo ""
-echo "virtualenv commands:"
-echo "  *  'mkvirtualenv [ENV_NAME]'  -  Create a Python virtual environment"
-echo "  *  'deactivate'               -  Exit the current virtual environment"
-echo "  *  'workon [ENV_NAME]'        -  Enter an existing virtual environment"
-echo "  *  'lsvirtualenv' OR 'workon' -  List all virtual environments"
-echo "  *  'rmvirtualenv [ENV_NAME]'  -  Delete a virtual environment"
-echo ""
-echo "Example:"
-echo "      mkvirtualenv seleniumbase "
-echo ""
+echo:
+echo:
+echo: *** You may now use virtualenv commands in your command shell. ***
+echo:
+echo: virtualenv commands:
+echo:   *  "mkvirtualenv [ENV_NAME]"  -  Create a Python virtual environment
+echo:   *  "deactivate"               -  Exit the current virtual environment
+echo:   *  "workon [ENV_NAME]"        -  Enter an existing virtual environment
+echo:   *  "lsvirtualenv" OR "workon" -  List all virtual environments
+echo:   *  "rmvirtualenv [ENV_NAME]"  -  Delete a virtual environment
+echo:
+echo: Example:
+echo:       mkvirtualenv seleniumbase
+echo: