-Add post_smartcrop.
--Bug fixes
-Fix bug in crackle.
-Wrong point assignment in hexaplay3D, hexnix3D.
-Improper Z assignment in rblur.
-Fix inconsistency with original in circlecrop.
-Put EMBER_ROOT bakc to ./../../../ in default.pri. This is TBD.
--Code changes
-Convert all enums to class enum to be consistent with C++11 style.
-Convert some if/else statements in filter classes to case statements.
-Add overloaded stream operators to print various enums.
-Optimize crob, nBlur.
-Fix weird assignment statement in falloff3.
-Cleanup in VarFuncs::SimplexNoise3D().
-Replace fabs() with std::abs().
-General cleanup.