DOC: Change version minor number

VXL minor revision updated to 3.5 in order to allow identification
when vnl_math::abs learned how to consistently process complex numbers,
and the standard types supported by std::abs were prefered over
custom implementations.

Merge pull request #852 from drewgilliam/vsnan

BUG: vil_math::isnan

Merge pull request #841 from mundyj/perspective_rectify_different_Ks

map focal plane rectification homograpies to common image space

ENH: Update to version 2.0.2.0

This version provides a completly green dashboard build
as a baseline for future development.

VXL Nightly Date Stamp

Add CMake-time error to direct users to the new VXL repository

Use an unconditional fatal error in the top-level CMakeLists.txt file
to inform users that VXL has moved to a new repository.

removed unused function args

SVN-Revision: 35607

daily version number

SVN-Revision: 34962

boxm_line_samples added

SVN-Revision: 27921

updated w.r.t. CMakeLists.txt

SVN-Revision: 27882