Merge pull request #2 from FloRinke/master

changed assignment for conditional operator
basic structure added
minor changes
Musterlösungen Aufgabenblatt 1
Musterlösungen Aufgabenblatt 1
wrong name
Musterlösung Aufgabe 2/2
two excercises 'vector' added
slight modifications
some sample solutions added
sunday error fixed
Musterlösungen ergänzt
typo
removed 'add to the begining of list' since 'vector' does not support
something like push_first
sample solutions (vector) added
add tasks for string, struct and enum to sheet 3