inicio das filtragens, propagandas, acertos com a doc.
Merge branch 'master' of https://github.com/luckybiason/sist_rec_enter

Conflicts:
	adm_rec/adm_rec/banco.db
	adm_rec/portal/templates/portal/home.html
	adm_rec/portal/views.pyc
	adm_rec/propagandas/models.pyc
	adm_rec/televisores/models.pyc