Sigo con la integracion de la página de creacion de MV y arrnaque de MV. Introducidas tablas
para la gestión de imagenes de SO
	modified:   CygnusCloud/controllers/teacher.py
	new file:   CygnusCloud/databases/63486635449b80ba7371dcc81f87d2dd_osPictures.table
	new file:   CygnusCloud/databases/63486635449b80ba7371dcc81f87d2dd_pictureByOSId.table
	modified:   CygnusCloud/databases/sql.log
	modified:   CygnusCloud/models/db.py
	modified:   CygnusCloud/models/db.py.bak
	modified:   CygnusCloud/progress.log
	modified:   CygnusCloud/static/css/default.css
	modified:   CygnusCloud/views/teacher/createVanillaVM.html