add maven pom.xml file
init pom file for a webapp
update .gitignore
add dependencies for mybatis and junit
add Course domain class
add a spring configuration file to test a first version of the CourseMapper
add a mapper for Course domain class
simplify Course domain class
add sql scripts to create table and populate with test data
first test, red test, CourseMapperTest
load correctly spring context
load application context with different namespaces
green: CourseMapperTest
green: testFirstCourseData
rename id_course to idCourse
change type of Course.level to enum
config primary key to be generated
make idCourse primary key
add new domain class Teacher. no relationship yet
use sequences to generate id's automatically