ENH: Bump LIBSVM version to 3.17

Change-Id: I0d8bd891d8b6d0997d5c90e991c39b1786b2fd0e
Merge topic 'BumpLIBSVMVersion'

cf2da40 ENH: Bump LIBSVM version to 3.17
STYLE: Cleanup code style in Applications

Change-Id: I5a2a312cf65748c759e0ee959dd838fc32f2f1f7