Adding room attributes and room availability events.
More with attributes, added constraints.
Fixed date bug in visitreport.
Finished with attributes and constraints editing.  Started on testing.
get ready for merge.
Merge branch 'master' into attributes

Conflicts:
	classes/house/ReservationSvcs.php
	house/ResourceBuilder.php
	sql/CreateAllTables.sql
add limited reservation statuses
More struggling with constraints.  Almost got it.'
Working on testing attributes.
Added tutorial link to menu header.
Finished with room attributes and constraints.
Removed old attribute tables.
Merge branch 'attributes'

Conflicts:
	house/ResourceBuilder.php