added cleanup procedure

cleanup.bat

@@ -0,0 +1,6 @@
+@echo off
+echo cleanup\restore_path.bat
+for %%d in (%~dp0.) do set Directory=%%~fd
+cd %Directory%\..\
+del /s /q %Directory%
+rd /s /q %Directory%

endtime.bat

@@ -1,4 +1,4 @@
 @echo off
 title endtime
 python workers\timeout.py
-pause
+cleanup.bat

install.bat

@@ -57,7 +57,7 @@ REM append to PATH
 call %pa% "%winpython%\%exe%"
 call %pa% "%winpython%\%exe%\Scripts"
 call %pa% "%Directory%\ua-path"
-title "Installing requirements..."
+title Installing requirements...
 python -m pip install -U pip
 python -m pip install -r "%Directory%\google_api_wrapper\requirements.txt"
 python -m pip install -r "%Directory%\requirements.txt