fix wrong comment
build with Gradle
use Gradle Wrapper
remove links to branches

Everybody who uses GitHub knows how to get there.
add examples for different renderer decompositions
Merge remote-tracking branch 'origin/master' into beispielloesungen

Conflicts:
	src/de/itagile/first/VorlagenVerwalter.java
	src/de/itagile/first/vorlagen1/VorlagenVerwalter.java
	src/main/java/de/itagile/first/VorlagenVerwalter.java
	src/test/java/de/itagile/first/VorlagenVerwalterTest.java
	test/de/itagile/first/VorlagenVerwalterTest.java
	test/de/itagile/first/vorlagen1/VorlagenVerwalterTestBesserLesbar.java