Merge pull request #4 from miracode/master

talk update
Adding course material list
adjusted Vagrantfile
Mapping directory
Merge remote-tracking branch 'upstream/master'

Conflicts:
	LectureSupplements/Sql/Vagrantfile
fixed vagrant file
fixed vagrantfile
Typo
edited files
Adding Teacher and Room table to schema.

Based off the in class coding example.
Merge remote-tracking branch 'upstream/master'