Fixed end of line characters.

.gitattributes

src/test/resources/gnss/20160331.alm

src/test/resources/gnss/3gps.txt

src/test/resources/gnss/current.al3

src/test/resources/gnss/wrong_sem.txt

src/test/resources/gnss/wrong_yuma.txt

src/test/resources/gnss/yuma.txt

src/tutorials/resources/tutorial-gnss/current.al3