Revert "update license to GPL-3"

This reverts commit 6157ee9321.

Conflicts:

	_web_last_viewed_records/__openerp__.py
	itprojects_sale/__openerp__.py
	itprojects_website/__openerp__.py
	mail_delete_access_link/__openerp__.py
	mail_delete_sent_by_footer/__openerp__.py
	money_for/__openerp__.py

im_notif/__openerp__.py

@@ -2,7 +2,7 @@
     'name' : 'IM Notifications',
     'version': '1.0.1',
     'author' : 'IT-Projects LLC, Ivan Yelizariev',
-    'license': 'GPL-3',
+    'license': 'LGPL-3',
     'category' : 'Tools',
     'website' : 'https://yelizariev.github.io',
     'price': 9.00,