Übung 15.05.14 TZ
Sesstion scaffold.
Updated the description for the fours session.
All raw xml data under <./data> are ignored.
Added materials for the session.
Deleted obsolete files.
Merge branch 'master' of https://github.com/arbox/R_course_2014
Materials for the Session 05.
Updated for the Session 05.
Merge branch 'master' of https://github.com/arbox/R_course_2014
Übung 05.06.2014
Merge branch 'master' of https://github.com/Zannafar/R_course_2014