Merge origin/master

Conflicts:
	src/java/pt/uc/dei/ipj/grupoa/manager/InsertMusicPL.java
Merge origin/master
Merge origin/master
Merge origin/master

Conflicts:
	src/java/pt/uc/dei/ipj/grupoa/manager/InsertMusicPL.java
Merge origin/master

Conflicts:
	src/java/pt/uc/dei/ipj/grupoa/manager/InsertMusicPL.java
Merge origin/master