Add: pcl::BadArgumentsException class to be thrown from namespace

For void free functions when arguments are wrong throw this exception
Add function to compute interpolated index from current index, length and border type
Move sample consensus tests into their own directory
Reformat initialization of data sets
Swap expected and actual values in test macros

Google test macros a supposed to have expected value as the first
parameter and actual value as the second.
Remove useless explicit int casts
Add/remove spaces
Use new EXPECT_XYZ_NEAR test macro where applicable
Split sample consensus test in four pieces
Fix PLY save bug: vertex_index -> vertex_indices.
Add test for pcl ply parser.
Hausdorff tool fixed to report actual distance rather than squared distance
HSV to RGB color conversion: Fix scale when converting desaturated values.
Store estimated normals in 'sac_plane_test.pcd'

Avoid re-computation of normals every time the test is run and remove
dependency on features and kdtree modules.
Merge pull request #580 from chambbj/fix-hausdorff

Hausdorff tool fixed to report actual distance rather than squared distance
Merge pull request #581 from j-oberlaender/hsv-fix

HSV to RGB color conversion: Fix scale when converting desaturated values.
Merge pull request #579 from yangyanli/ply_fix

Fix PLY save bug: vertex_index -> vertex_indices.
Merge pull request #573 from taketwo/refactor-sample-consensus-tests

Refactor sample consensus tests
Remove hidden assumption that depth source geometry is 640x480
Two cuda device synchronization calls that should not be commented out