ENH: Update to Swig 3.0.2

Change-Id: Id6e29339c60650c083de32846bb277bd38ebfce7
BUG: Swig 3 does not implicitly convert int to bools

Change-Id: I1cd5e58a2dff1177afe2d0164238e160ff1d3910
COMP: SWIG for CSharp not required namespace qualification for IntPtr

Change-Id: I06bbe3a08c88e1eb9ce4854f8f808296dcb1efab
Merge topic 'SIMPLEITK-544_UpdateSwigTo3.0.2'

049df29c COMP: SWIG for CSharp not required namespace qualification for IntPtr
116d21a4 BUG: Swig 3 does not implicitly convert int to bools
0d452c2b ENH: Update to Swig 3.0.2