Here is a link to the NCAA official explanation of the new rules for 2015-16. Many of the rules were put in place to decrease physical play and allow more freedom of movement. The video even states that at times media and fans (it should have said coaches too) will be frustrated with the number of fouls being called.
It's worth watching, if you haven't already seen it.
https://m.youtube.com/watch?v=qkm6mrpHpYk&feature=youtu.be
It's worth watching, if you haven't already seen it.
https://m.youtube.com/watch?v=qkm6mrpHpYk&feature=youtu.be