Update parameters/parameters

Updated the parameters file to new preset names
removed a break statement that causes problems on kepler GPUs
Added one clinical test
fixed a bug in tube validation. swapped false and true negatives
small fixes in tubeValidation and added incorrect centerpoint counter to result
Updated synthetic dataset nr 1 to be of type signed char
added incorrect centerpoint assertion to clinical
Updated the rest of the synthetic datasets to signed char
added more clinical tests
increased limit of incorrect centerpoints on airway test
Merge branch 'unstable'

Conflicts:
	parameters/parameters
added spline tdf kernel
added use-spline-tdf parameter
added the runCircleFittingTDF function
added runSplineTDF function
added newline to end of parameter file
added comment on newline to end of parameter file
added call to runSplineTDF
added support for 16bit TDF result to spline kernel
increased radius max max