server/Makefile: rename to 'install_web2py_standalone', update dependency

The standalone installation of web2py should not depend of the unit test framework.

server/Makefile

@@ -17,7 +17,7 @@ install_unit_tests:
 unit: clean_unit_tests
 	cd web2py; python web2py.py -S vidjil -M -R testRunner.py
 
-standalone_install: install_unit_tests
+install_web2py_standalone: install_web2py
 	mkdir -p web2py/applications/vidjil/databases web2py/upload web2py/result
 	sed -i 's@/var/vidjil@logs@' web2py/applications/vidjil/modules/defs.py
 	sed -i '/mysql/d; /^DIR_/s/\/mnt\///;'  web2py/applications/vidjil/modules/defs.py