Fix the bug generated from fixing the assertion issue
	modified:   src/ParFlow.C
remove the usage of Draw.C in CMakeLists in renderer
add lib/ for diy to mv libdiy.a correctly
remove binary
Update .gitignore
Build vortex metrics computation functions
Build field translation and curvature computation functions
VTK example data copyright information.

	new file:   ../curvilinear/Copyright.txt
	new file:   ../curvilinear/README
	deleted:    ../regular/comb.vts
Merge remote-tracking branch 'hewenbin/master'
update VERIFY_OUTPUT script and data.
add more files to sample_data/regular/tornado dataset